This is a list of episodes for the Cartoon Network animated television series Dexter's Laboratory. Each thirty-minute episode usually includes two to three shorts.

Series overview

Season Episodes Originally aired Season
DVD release date
1 13 1995 (with Pilot)
1996 (without Pilot)
February 26, 1995 (with Pilot)
April 28, 1996 (without Pilot)
January 1, 1997 February 19, 2008 (Region 4), October 12, 2010 (Region 1)
2 39 1997 July 16, 1997 June 15, 1998 June 11, 2008 (Region 4)
3 13 2001 November 16, 2001 September 20, 2002 TBA
4 13 2002 November 22, 2002 November 20, 2003 TBA

Episode list

Season 1: 1996-1997

<tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep-1">-1</td> <td class="summary" style="text-align: left;">"Dexter's Laboratory" </td><td>February 26, 1995 (1995-02-26)</td><td id="pcS1">S1</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dee Dee and Dexter test his latest invention, a device that turns people into animals. Note: This was the pilot episode for The Cartoon Cartoon Show which was usually referred to later as "Changes," when it aired a part of the series, but the title card remained intact with the original title. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep1">1</td> <td class="summary" style="text-align: left;">"Dee Deemensional/Dial M for Monkey: Magmanamus/Maternal Combat" </td><td>April 28, 1996 (1996-04-28)</td><td id="pc101">101</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dee Deemensional—When Dexter falls victim to a terrifying creature brought forth by his latest invention, Dee Dee goes back in time to warn him. The events only end the episode with a permanent time loop. Dial M for Monkey: Magmanamus—Monkey must defend a city from a giant lava creature, who only wants the entire world to be quiet so he can get some sleep (for a few centuries). Maternal Combat—Dexter creates a "Mom-Droid" to do his mother's chores when she falls ill. However, Dee Dee gets a hold of the remote to the robot and wreaks havoc, so Dexter builds a "Super Mom-Droid" to combat the original. Dad gets home with the house wrecked, but doesn't seem to notice anything. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep2">2</td> <td class="summary" style="text-align: left;">"Dexter Dodgeball/Dial M for Monkey: Rasslor/Dexter's Assistant" </td><td>May 5, 1996 (1996-05-05)</td><td id="pc102">102</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter Dodgeball—Dexter had tried to excuse himself out of P.E. (with a fake note) but the new coach does not accept it so Dexter is forced to play dodgeball. Fed up with losing, Dexter builds an exo-suit to help him win. Note: The word "Crap" (Which is used in the original broadcast) is muted in Cartoon Network and Boomerang reruns, however on November 9 2010 one can hear it fully uncut on Cartoon Network perhaps because of Cartoon Networks new shows that use the word crap (Regular Show and MAD) Dial M for Monkey: Rasslor—Intergalactic wrestling champion Rasslor comes to Earth looking for a new opponent, and challenges all of Earth's superheroes, if no one can beat him he will destroy earth. However, Rasslor refuses to wrestle Monkey due to his size. This also marks the first appearance of the Justice Friends. Rasslor was voice by WCW Wrestler "Macho Man" Randy Savage. Dexter's Assistant—In need of an assistant for the science fair, Dexter makes his sister smart enough to fill the role. Unfortunately, she's smarter than Dexter. She ends up winning the science fair herself. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep3">3</td> <td class="summary" style="text-align: left;">"Dexter's Rival/Dial M for Monkey: Simion" </td><td>May 12, 1996 (1996-05-12)</td><td id="pc103">103</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter's Rival—Mandark enrolls at Dexter's school, quickly overshadowing Dexter and forces Dexter to shut down his lab to add more power to his own lab. When Mandark falls in love with Dee Dee, Dexter sets up a date between the two (only because he knew Dee Dee would destroy Mandark's lab). Dial M for Monkey: Simion—An intelligent chimpanzee tries to enlist Monkey in getting revenge on the humans who created him, until Monkey gives him a banana given him by Agent Honeydew, thus showing that humans are good. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep4">4</td> <td class="summary" style="text-align: left;">"Double Trouble/Dial M for Monkey: Barbequor" </td><td>May 19, 1996 (1996-05-19)</td><td id="pc104">104</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Double Trouble—In order to rid himself of Dee Dee, Dexter clones himself. However, Dee Dee, and her friends, Mee Mee and Lee Lee do the same, causing havoc. Dial M for Monkey: Barbequor—Monkey's birthday is interrupted by Barbequor, a villain who wants to roast Earth for his next meal. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep5">5</td> <td class="summary" style="text-align: left;">"Jurassic Pooch/Dial M for Monkey: Orgon Grindor" </td><td>May 26, 1996 (1996-05-26)</td><td id="pc105">105</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Jurassic Pooch—Dexter creates a Tyrannosaurus rex that has the brain and heart of a dog, and Dee Dee makes him her pet. Dial M for Monkey: Orgon Grindor—A space creature with an Italian accent takes over Monkey's mind during his date with Agent Honeydew. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep6">6</td> <td class="summary" style="text-align: left;">"Dee Dee's Room/Dial M for Monkey: Huntor" </td><td>June 2, 1996 (1996-06-02)</td><td id="pc106">106</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dee Dee's Room—To find his missing invention, Dexter heads into the one place he fears to go: Dee Dee's room, where cooties run rampant. Dial M for Monkey: Huntor—Monkey must fight for his life against a hunter on a jungle asteroid. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep7">7</td> <td class="summary" style="text-align: left;">"Star Spangled Sidekicks/The Justice Friends: TV Super Pals/Game Over" </td><td>November 20, 1996 (1996-11-20)</td><td id="pc107">107</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Star Spangled Sidekicks—Dexter and Dee Dee enter the tryouts for Major Glory's sidekick. The Justice Friends: TV Super Pals—Krunk, Valhallen, and Major Glory have trouble deciding what to watch on TV. Game Over—Dexter becomes trapped in a video game world. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep8">8</td> <td class="summary" style="text-align: left;">"Babysitter Blues/The Justice Friends: Valhallen's Room/Dream Machine" </td><td>November 27, 1996 (1996-11-27)</td><td id="pc108">108</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Babysitter Blues—Unable to win the heart of his babysitter, Dexter ages himself in the hopes of having better luck. The Justice Friends: Valhallen's Room—When Valhallen loses his magic "axe" and starts to transform into a geek, Krunk and Major Glory venture into his room to find it. Dream Machine—Dexter's nightmares become a problem, so he has Dee Dee operate a dream machine to fix the problem. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep9">9</td> <td class="summary" style="text-align: left;">"Dollhouse Drama/The Justice Friends: Krunk's Date/The Big Cheese" </td><td>December 4, 1996 (1996-12-04)</td><td id="pc109">109</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dollhouse Drama—After Dexter shrinks himself to doll size, he becomes an unwilling character in Dee Dee's doll story. Due to a side effect of shrinking, he starts to confuse fantasy with reality, and starts to believe the story is real. The Justice Friends: Krunk's Date—Krunk gets a crush on She-Thing. The Big Cheese—Dexter invents a device in order to learn French in his sleep, but when the record skips over a phrase, he wakes up to finds that he can only say "Omelette du fromage" (cheese omelet). </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep10">10</td> <td class="summary" style="text-align: left;">"Way of the Dee Dee/The Justice Friends: Say Uncle Sam/Tribe Called Girl" </td><td>December 11, 1996 (1996-12-11)</td><td id="pc110">110</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Way of the Dee Dee—Dee Dee tries to get Dexter to loosen up. It works, but Dexter ends up trying to destroy his lab brutally. Dee Dee realizes her mistake, that she tried to change who Dexter is. While a crying Dee Dee leaves the ruins, Dexter starts to fix it. The Justice Friends: Say Uncle Sam—Major Glory's uncle, Sam, is about to pay a visit, but the apartment's in no shape for company. Tribe Called Girl—Wanting to learn more about girls, Dexter spies on Dee Dee and her friends. Unfortunately, they spot him. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep11">11</td> <td class="summary" style="text-align: left;">"Spacecase/The Justice Friends: Ratman/Dexter's Debt" </td><td>December 18, 1996 (1996-12-18)</td><td id="pc111">111</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Spacecase—To get rid of some aliens, Dexter offers Dee Dee as a test subject tricking her into thinking they're going to candy land. The guilt drives Dexter crazy and he goes to rescue her. The Justice Friends: Ratman—While trying to fix the furnace, the Justice Friends find Ratman living in their basement. Dexter's Debt—Dexter's lab is threatened with repossession when he receives a 200 million dollar bill from NASA. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep12">12</td> <td class="summary" style="text-align: left;">"The Justice Friends: Bee Where?/Mandarker" </td><td>December 25, 1996 (1996-12-25)</td><td id="pc112">112</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> The Justice Friends: Bee Where?—Major Glory is unnerved by a bee in the apartment. Mandarker—Mandark returns to get revenge and turns to magic to best Dexter, but his efforts put Dee Dee in danger instead. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep13">13</td> <td class="summary" style="text-align: left;">"Inflata Dee Dee/The Justice Friends: Can't Nap/Monstory" </td><td>January 1, 1997 (1997-01-01)</td><td id="pc113">113</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Inflata Dee Dee—Dee Dee tries on Dexter's inflatable suit, and is swept away on the wind. In getting her down, Dexter accidentally destroys the suit. Dee Dee fixes it by tying balloons to it. The Justice Friends: Can't Nap—Valhallen invites White Tiger to the apartment, forgetting that Major Glory is allergic to cats. Monstory—Hoping to silence Dee Dee so he won't have to hear her story, Dexter gives her a silencing potion. However, he grabs the wrong vial and turns her into a monster by mistake. </td></tr>
# Title Original airdate Production code

Season 2: 1997-1998

<tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep14">14</td> <td class="summary" style="text-align: left;">"Beard to Be Feared/Quackor the Fowl/Ant Pants" </td><td>July 16, 1997 (1997-07-16)</td><td id="pc201">201</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Beard to Be Feared—After a fright from Dee Dee, Dexter lays down in the beard growing machine and tries to grow a beard like his hero, Action Hank. Unfortunately, everyone thinks that Dexter is Action Hank. Quackor the Fowl—Mandark doesn't know that his pet duck is really Quackor the Fowl, Monkey's rival. Quackor overhears Mandark talking in his sleep about destroying Dexter's lab and tries to do it, unaware that Monkey is Dexter's pet. Ant Pants—Dexter prevents Dee Dee from destroying some ants. In order to teach her about ants, Dexter and Dee Dee enter Dexter's ant farm. The ants think Dexter is a criminal and has him fight to the death with a stronger ant. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep15">15</td> <td class="summary" style="text-align: left;">"Mom and Jerry/Chubby Cheese/That Crazy Robot" </td><td>July 23, 1997 (1997-07-23)</td><td id="pc202">202</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Mom and Jerry—Dexter accidentally switches his brain with a mouse, and must avoid his mother when she decides to exterminate him. Chubby Cheese—At the Chubby Cheese pizza restaurant, Dexter tries to slow down the Whack The Weasel machine to win a stuffed Monkey doll before Dee Dee does. But he gets captured by security for tampering with the machine. That Crazy Robot—One of Dexter's robots becomes Dee Dee's servant when she removes a wrench that froze him up, but the robot is willing to destroy anyone who is mean to her or scolds her, including Mee Mee, Lee Lee, Mom, and Dexter. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep16">16</td> <td class="summary" style="text-align: left;">"D & DD/Hamhocks and Armlocks/Hunger Strikes" </td><td>July 30, 1997 (1997-07-30)</td><td id="pc203">203</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> D & DD—When Dexter's friends tire of the complicated traps he sets up as Dungeon Master, they put Dee Dee in charge for a change of pace. Hamhocks and Armlocks—Dexter's father gets challenged to an arm wrestling match against a local champion at a truck stop which the family car breaks down nearby. Hunger Strikes—Dexter uses radiation therapy so he can like vegetables but with the side-effect of severe consequences if he goes too long without them. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep17">17</td> <td class="summary" style="text-align: left;">"The Koos is Loose/Morning Stretch" </td><td>August 6, 1997 (1997-08-06)</td><td id="pc204">204</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> The Koos is Loose—Dee Dee's imaginary friend, Koosalagoopagoop, comes to life and annoys Dexter. Dexter ends up wishing him away, then he realizes he made a terrible mistake. Morning Stretch—Dexter oversleeps and still has to finish his homework along with getting ready for school and eating breakfast, so he creates a helmet that expands thirty seconds into thirty minutes. Unfortunately, he eventually finds out that school is cancelled. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep18">18</td> <td class="summary" style="text-align: left;">"Dee Dee Locks and the Ness Monster/Backfire/Book 'Em" </td><td>August 13, 1997 (1997-08-13)</td><td id="pc205">205</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dee Dee Locks and the Ness Monster—Dexter's mother forces Dexter to read to Dee Dee when she's sick, but she makes up her own story after being bored by Dexter's story. Backfire—Dexter fuses Dee Dee with the family car by accident, causing mayhem. Book 'Em—Dexter accidentally takes a library book without checking it out, so he and Dee Dee try to put it back without being caught. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep19">19</td> <td class="summary" style="text-align: left;">"Sister's Got a Brand New Bag/Shoo, Shoe Gnomes/Lab of the Lost" </td><td>August 20, 1997 (1997-08-20)</td><td id="pc206">206</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Sister's Got a Brand New Bag—Dee Dee's new dance annoys Dexter to no end. Shoo, Shoe Gnomes—Dexter calls upon the "shoe gnomes" to repair his boots, but can't rid himself of them afterwards. Lab of the Lost—Dexter ends up in the "old part of the lab" where his earliest inventions, long since forgotten, are not too happy to see him. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep20">20</td> <td class="summary" style="text-align: left;">"Labels/Game Show/Fantastic Boyage" </td><td>August 27, 1997 (1997-08-27)</td><td id="pc207">207</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Labels—Dexter and Dee Dee label everything in the house. When their parents get home, they mistake Dexter for Dee Dee (he had a Dee Dee label on his forehead), but he already blamed Dee Dee for the chaos. Game Show—Dexter and Dee Dee compete against each other on a game show, where Dexter can't seem to win. Fantastic Boyage—Dexter tries to inject himself into Dee Dee to find a cure to the common cold, but ends up inside his dog subsequently believing Dee Dee has been infected with a dog virus. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep21">21</td> <td class="summary" style="text-align: left;">"Filet of Soul/Golden Diskette" </td><td>September 3, 1997 (1997-09-03)</td><td id="pc208">208</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Filet of Soul—Dexter and Dee Dee don't want to give their dead fish a proper burial, but are haunted by spirits of all dead goldfish when they don't. They even kidnap Dee Dee, and won't let her go until their fish is given the burial. Golden Diskette— Dee Dee finds a "golden diskette" allowing her and Dexter to enter Professor Hawk's computer factory, where the professor will give away his factory to someone. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep22">22</td> <td class="summary" style="text-align: left;">"Snowdown/ *Figure Not Included/Mock 5" </td><td>September 10, 1997 (1997-09-10)</td><td id="pc209">209</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Snowdown—When Dee Dee's snowball skills outclass Dexter, their father trains him to be the snowball terror he was at their age. Figure Not Included—Dexter can't join his local Major Glory gang because he doesn't have an action figure, so he makes his own. But apparently, Dexter is going to be sued by Major Glory for copyright infringement. Mock 5—To race in the "Annual Soapbox Derby down Volcano Mountain", Dexter and his father build the "Mock 5", but run into trouble when the mysterious "Racer D" gets involved. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep23">23</td> <td class="summary" style="text-align: left;">"Ewww That's Growth/Nuclear Confusion/Germ Warfare" </td><td>September 17, 1997 (1997-09-17)</td><td id="pc210">210</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Ewww That's Growth—Tired of his small stature after he can't get on a roller coaster, Dexter makes himself taller. Nuclear Confusion—Dee Dee hides the power core to Dexter's nuclear lamp, and he must decipher her clues before it explodes, destroying the earth with it. Germ Warfare—Dee Dee gets her germs all over Dexter's lab. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep24">24</td> <td class="summary" style="text-align: left;">"A Hard Day's Day/Road Rash/Ocean Commotion" </td><td>September 24, 1997 (1997-09-24)</td><td id="pc211">211</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> A Hard Day's Day—Dexter needs to find a way to move the moon, which is blocking Saturn and its "science waves." He rocket propels it away, but Dexter learns not to mess with the cosmos when the moon crashes into his lab destroying it. Road Rash—Dexter's parents get him a bike for exercise, but he's unable to catch Dee Dee on her inline skates. Ocean Commotion—Dexter's family goes to the beach, where Dexter tries to communicate with whales and Dee Dee - dressed as a mermaid - is captured by manic sailors. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep25">25</td> <td class="summary" style="text-align: left;">"The Bus Boy/The Justice Friends: Things That Go Bonk in the Night/Ol' McDexter" </td><td>October 1, 1997 (1997-10-01)</td><td id="pc212">212</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> The Bus Boy—A couple of girls knock Dexter's pencil into the deep, dark back of the bus, which legend says no one returns from. The Justice Friends: Things That Go Bonk in the Night—After a Puppet Pals marathon, Krunk dreams the Puppet Pals are attacking puppet versions of Major Glory and Valhallen. Ol' McDexter—Dexter becomes disappointed when he ends up at an Amish farm instead of the high-tech farm for summer camp. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep26">26</td> <td class="summary" style="text-align: left;">"Sassy Come Home/Photo Finish" </td><td>October 8, 1997 (1997-10-08)</td><td id="pc213">213</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Sassy Come Home—Dexter hunts for Sasquatch, who befriends Dee Dee because of her similarly huge feet. Photo Finish—Dee Dee photographs Dexter's lab, and Dexter has to get the film back before his mother sees the pictures. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep27">27</td> <td class="summary" style="text-align: left;">"Star Check Unconventional/Dexter is Dirty/Ice Cream Scream" </td><td>October 15, 1997 (1997-10-15)</td><td id="pc214">214</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Star Check Unconventional— Dexter and his friends try to escape a doll convention (which they arrived at because they weren't paying attention to were they were going) while dressed as "Star Check" characters. Dexter is Dirty—Tired of bathing, Dexter laminates himself to keep himself clean. Ice Cream Scream—Dexter can't get the ice cream truck to stop for him. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep28">28</td> <td class="summary" style="text-align: left;">"Decode of Honor/World's Greatest Mom/Ultrajerk 2000" </td><td>October 22, 1997 (1997-10-22)</td><td id="pc215">215</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Decode of Honor—Dexter and Dee Dee's secret decoder rings hold the keys to joining the Sugar Hanks and Pony Puff fan clubs but the clues don't seem right. World's Greatest Mom—Dexter accidentally gives his mother super powers, when she is hit with a ray of energy. She doesn't even notice she has superpowers, but acts like a superhero. Ultrajerk 2000—Dexter designs a new robot to help him with his lab which tries to take over his lab, thinking Dexter is obsolete. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep29">29</td> <td class="summary" style="text-align: left;">"Techno Turtle/Surprise!/Got Your Goat" </td><td>October 29, 1997 (1997-10-29)</td><td id="pc216">216</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Techno Turtle—Dexter rebuilds an injured turtle Dee Dee befriends. Surprise!—In order to see his birthday presents, Dexter turns himself invisible. He ends up attacked by Major Glory, who thinks Dexter is a criminal. Got Your Goat—Dexter and Dee Dee go to South America to stop one of Dexter's experiments from attacking goats, which everyone thinks is the chupacabra. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep30">30</td> <td class="summary" style="text-align: left;">"Dee Dee Be Deep/911/Down in the Dumps" </td><td>November 5, 1997 (1997-11-05)</td><td id="pc217">217</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dee Dee Be Deep—Dee Dee becomes a booming baritone after Dexter attempts to "improve" her singing. 911—When an Action Hank episode is interrupted by the Emergency Broadcast System, Dexter travels around the world to solve the problem. Down in the Dumps—Dee Dee's favorite teddy bear gets sent to the dump. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep31">31</td> <td class="summary" style="text-align: left;">"Unfortunate Cookie/The Muffin King" </td><td>November 12, 1997 (1997-11-12)</td><td id="pc218">218</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Unfortunate Cookie—Dexter and Dee Dee are stuck together by a Chinese finger trap and must travel to Chinatown to free themselves. The Muffin King—Dexter and Dee Dee have to keep their father away from their mother's freshly-baked muffins while she is out shopping. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep32">32</td> <td class="summary" style="text-align: left;">"Picture Day/Now That's a Stretch/Dexter Detention" </td><td>November 19, 1997 (1997-11-19)</td><td id="pc219">219</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Picture Day—Dexter transforms his face so his picture will look nice, by molding a handsome face out of wax. But it melts when he is sets up bright lights to capture his handsomeness. Now That's a Stretch—Dexter makes himself stretchy using a machine to turn himself into bubble gum. Dexter Detention—Dexter gets sent to detention after someone caused him to shout the answer to the first question of the test in annoyance. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep33">33</td> <td class="summary" style="text-align: left;">"Don't Be a Baby/Dial M for Monkey: Peltra/G.I.R.L. Squad" </td><td>November 26, 1997 (1997-11-26)</td><td id="pc220">220</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Don't Be a Baby—Dexter tries to make himself and Dee Dee older in order to see an R-rated movie, but makes everybody (except for Dexter and Dee Dee) babies instead. Dial M for Monkey: Peltra—Peltra wants to turn Monkey into a fur coat. G.I.R.L. Squad—After a crime prevention talk at school, Dee Dee and her friends become crimefighters who jump to conclusions and end up neighborhood criminals. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep34">34</td> <td class="summary" style="text-align: left;">"Sports-a-Poppin'/Koos a la Goop a Goop/Project Dee Dee" </td><td>December 3, 1997 (1997-12-03)</td><td id="pc221">221</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Sports-a-Poppin'—Dexter's father wants to teach Dexter some sports, but Dexter's not very athletic. Koos a la Goop a Goop—Dee Dee enters the land of her imaginary friend Koosalagoopagoop after he lies to her that he is the king of his land. Project Dee Dee—When Dexter learns that Dee Dee is trying to make a science project alone he wants to help her, but she doesn't want his help. She ends up getting Dexter's help, but propels the entire school into space. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep35">35</td> <td class="summary" style="text-align: left;">"Topped Off/Dee Dee's Tail/No Power Trip" </td><td>January 14, 1998 (1998-01-14)</td><td id="pc222">222</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Topped Off—Dexter and Dee Dee try coffee after seeing how it energizes their parents and become addicted to it. Dee Dee's Tail—Dee Dee complains that she's tired of just pretending to be a Pony Puff Princess, so Dexter turns her into a real horse. But everyone tries to take advantage of her. No Power Trip—Dexter uses too much electric power, causing his laboratory to shut down until he can recharge it. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep36">36</td> <td class="summary" style="text-align: left;">"Sister Mom/The Laughing/Dexter's Lab: A Story" </td><td>January 21, 1998 (1998-01-21)</td><td id="pc223">223</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Sister Mom—Dexter is afraid to bring his mother to see his principal, so he disguises Dee Dee as her. The Laughing—Dexter is bitten by a clown's dentures, causing him to turn into a clown every night like a werewolf. Now Dee Dee must use the power of mime to stop him. Dexter's Lab: A Story—Dexter adopts a Labrador Retriever and gives him a way to speak human language. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep37">37</td> <td class="summary" style="text-align: left;">"Coupon for Craziness/Better Off Wet" </td><td>January 28, 1998 (1998-01-28)</td><td id="pc224">224</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Coupon for Craziness—Dexter gets accidentially switched with an average hyperactive child who has scientist parents; neither couple notices. Better Off Wet—Dexter tries to avoid being pushed into the pool by his father. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep38">38</td> <td class="summary" style="text-align: left;">"Critical Gas/Let's Save the World You Jerk!/Average Joe" </td><td>February 4, 1998 (1998-02-04)</td><td id="pc225">225</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Critical Gas—Dexter assumes that he only has thirty minutes to live after eating an extra-large burrito. Let's Save the World You Jerk!—Dexter has to team up with Mandark to prevent asteroids from destroying Earth. They fail due to their arguing, and the asteroids destroy the Earth anyway. Dexter and Mandark continue to fight. Average Joe—An intelligence test brands Dexter as "average" and the computers that graded it never makes mistakes. He shuts down his lab and lives a normal life. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep39">39</td> <td class="summary" style="text-align: left;">"Rushmore Rumble/A Boy and His Bug/You Vegetabelieve It!" </td><td>February 11, 1998 (1998-02-11)</td><td id="pc226">226</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Rushmore Rumble—Dexter and Mandark bring the Abraham Lincoln and George Washington faces on Mount Rushmore to life and make them fight each other. A Boy and His Bug—When Dexter neglects his pet bug, which he created to devour the things metal that Dee Dee destroys, it begins eating his lab. You Vegetabelieve It!—Dexter's growth formula causes the plants in the garden to grow to enormous size. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep40">40</td> <td class="summary" style="text-align: left;">"Aye Aye Eyes/Dee Dee and the Man" </td><td>February 18, 1998 (1998-02-18)</td><td id="pc227">227</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Aye Aye Eyes—A little girl with big eyes falls in love with Dexter and follows him everywhere after he returns a doll she dropped. Dee Dee and the Man—Dexter "fires" Dee Dee, only to realize that the chaos she causes has been helping him concentrate. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep41">41</td> <td class="summary" style="text-align: left;">"Old Flame/Don't Be a Hero/My Favorite Martian" </td><td>February 25, 1998 (1998-02-25)</td><td id="pc229">229</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Old Flame—Dexter brings the caveman who first discovered fire back from the past. Don't Be a Hero—Dexter tries to turn himself into a superhero, but discovers that hero work is not all it's cracked up to be. He gives up after every power he tries backfires. My Favorite Martian—Dexter travels to Mars to find intelligent life, unaware that Dee Dee has stowed away in his capsule. After Dee Dee gets covered in red dirt Dexter thinks she is a Martian. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep42">42</td> <td class="summary" style="text-align: left;">"Paper Route Bout/The Old Switcharooms/Trick or Treehouse" </td><td>March 4, 1998 (1998-03-04)</td><td id="pc230">230</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Paper Route Bout—Dee Dee's paper route is threatened by a team of rogue bicyclists (dressed as ninjas) who cause trouble. This is the first segment where Dexter doesn't appear at all. The Old Switcharooms—Dexter's father makes him and Dee Dee stay in each other's rooms as punishment for running into him (causing his bowling trophy to break), leaving Dexter to worry about the fate of his lab. Trick or Treehouse—Dee Dee builds a treehouse and won't let Dexter inside to spite him for all the times he kicked her out of his lab; however everyone but Dexter is allowed in. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep43">43</td> <td class="summary" style="text-align: left;">"Quiet Riot/Accent You Hate/Catch of the Day" </td><td>March 11, 1998 (1998-03-11)</td><td id="pc231">231</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Quiet Riot—Dexter tries to get some sleep, which is complicated by Dee Dee's counterproductive attempts to make sure he has quiet. Accent You Hate—A school bully picks on Dexter and his friends because of the way they talk. Catch of the Day—Dexter's father tries to get himself and Dexter to his fishing spot before the sun comes up and anybody else gets there, if one someone gets there first, they have to try again the next day. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep44">44</td> <td class="summary" style="text-align: left;">"Dad is Disturbed/Framed/That's Using Your Head" </td><td>March 18, 1998 (1998-03-18)</td><td id="pc232">232</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dad is Disturbed—Dexter's father tries to watch a golf tournament. But he is constantly distracted by his family. Framed—When Dexter's glasses break, he creates a new trend: cracked glasses. That's Using Your Head—Dexter thinks a crazy homeless person wearing a metal hat really can communicate with aliens, so he takes the man to his lab to improve the reception of his hat. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep45">45</td> <td class="summary" style="text-align: left;">"DiM/Just an Old Fashioned Lab Song.../Repairanoid" </td><td>March 25, 1998 (1998-03-25)</td><td id="pc234">234</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> DiM—Dexter deals with the annoyances of the hardware superstore to get a light bulb. Just an Old Fashioned Lab Song...—Dexter takes piano lessons from "Professor Williams" and gradually Dexter discovers he has more musical aptitude than he thought after Professor Williams discovers his lab. Guest starring Paul Williams as Professor Williams. Repairanoid—Dexter enlists the aid of an electrical repairman to improve the electrics in the lab. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep46">46</td> <td class="summary" style="text-align: left;">"Sdrawkcab or Backwards/The Continuum of Cartoon Fools/Sun, Surf, and Science" </td><td>April 1, 1998 (1998-04-01)</td><td id="pc235">235</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Sdrawkcab—Dexter invents a belt that makes its wearer do everything backwards, but Dee Dee gets her hands on the directional switch. The Continuum of Cartoon Fools—Dexter tries to figure out how Dee Dee keeps getting into his lab everytime he sends Dee Dee out of one entrance and seals it. Sun, Surf, and Science—Mandark enters a surfing contest to win Dee Dee's heart from another surfer. This is a next segment where Dexter doesn't appear at all. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep47">47</td> <td class="summary" style="text-align: left;">"Big Bots/Gooey Aliens That Control Your Mind/Misplaced in Space" </td><td>April 8, 1998 (1998-04-08)</td><td id="pc228">228</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Big Bots—Dexter and Dee Dee, using their giant robots, try to save an island's population from being destroyed by a volcano. Gooey Aliens That Control Your Mind—Dexter's parents and Dee Dee have their minds taken over by an alien life form that escaped Dexter's lab. Misplaced in Space—A transporter malfunction sends Dexter to an alien prison and Dee Dee goes on a mission to save Dexter. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep48">48</td> <td class="summary" style="text-align: left;">"Dee Dee's Rival/Pslightly Psycho/Game for a Game" </td><td>April 15, 1998 (1998-04-15)</td><td id="pc237">237</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dee Dee's Rival—Mandark's sister, Olga Astronomonoff (or "Lalavava"), tries to upstage Dee Dee at dance school. Pslightly Psycho—It's Mother's Day, but Dexter's mother can't find her trademark gloves and her family teases her by doing a very poor job trying to clean the house. Game for a Game—Dee Dee claims she can beat Dexter in any game, but fails to realize that Dexter can think up very confusing games. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep49">49</td> <td class="summary" style="text-align: left;">"Blackfoot and Slim/Trapped with a Vengeance/The Parrot Trap" </td><td>April 22, 1998 (1998-04-22)</td><td id="pc233">233</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Blackfoot and Slim—A nature documentary team observes "Blackfoot" (Dexter) and "Slim" (Dee Dee) in their "natural habitat". Trapped with a Vengeance—The school janitor plans revenge on Dexter for making him stay late every night until Dexter leaves. The Parrot Trap—Dexter has to keep his robot parrot from telling his parents about his lab. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep50">50</td> <td class="summary" style="text-align: left;">"Dexter and Computress Get Mandark!/The Justice Friends: Pain in the Mouth/Dexter Vs. Santa's Claws" </td><td>April 29, 1998 (1998-04-29)</td><td id="pc236">236</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter and Computress Get Mandark!—Written and narrated by an six-and-a-half-year-old boy who won a contest, follows Dexter and Mandark's robot "brother" Computress teaming up to make Mandark's head shrink. The Justice Friends: Pain in the Mouth—Krunk gets a tortilla chip stuck in his tooth, and Major Glory decides to fix it by pulling the tooth out himself. Dexter Vs. Santa's Claws—Dexter tries to prove to Dee Dee that "Santa" is really just their father in disguise but is actually wrong. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep51">51</td> <td class="summary" style="text-align: left;">"Dyno-Might/LABretto" </td><td>May 6, 1998 (1998-05-06)</td><td id="pc238">238</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dyno-Might—Blue Falcon asks Dexter to fix Dyno-Mutt, but Dexter instead builds a new Dyno-Mutt that does everything wrong. LABretto—In this musical episode, Dexter's life is shown in opera form. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep52">52</td> <td class="summary" style="text-align: left;">"Last But Not Beast" </td><td>June 15, 1998 (1998-06-15)</td><td id="pc239">239</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> During a trip to Japan as part of a student exchange program, Dexter accidentally releases a giant monster with an axe-like head from a volcano, forcing Dexter to enlist the aid of his entire family in order to defeat it. This episode, a spoof of Voltron, the Super Sentai/Power Rangers genre and kaiju films, is the series' first full episode-length story, and also features the casts of The Justice Friends and Dial M for Monkey in battle against the monster. </td></tr>
# Title Original airdate Production code

Season 3: 2001-2002

After a two-year long hiatus, Cartoon Network released a new version of Dexter's Laboratory in November 2001.

<tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep53">53</td> <td class="summary" style="text-align: left;">"Streaky Clean/A Dad Cartoon/Sole Brother" </td><td>November 16, 2001 (2001-11-16)</td><td id="pc301">301</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Streaky Clean—Dexter creates a satellite to clean stains off of his clothes, but it goes horribly wrong when the satellite is damaged, causing the fabric beneath each stain to be eliminated as well. A Dad Cartoon—Dad decides to give the car a retouch, but keeps breaking things and saying he'll fix it later. After having enough, he pushes the car over a cliff, and below it are other crushed cars, meaning this wasn't the first time. Sole Brother—Dexter accidentally becomes Dee Dee's foot when the two fuse together. Now they have to wait 24 hours to reverse the fusion. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep54">54</td> <td class="summary" style="text-align: left;">"Mind Over Chatter/A Quakor Cartoon/Momdark" </td><td>November 16, 2001 (2001-11-16)</td><td id="pc302">302</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Mind Over Chatter—Dexter accidentally gives himself telepathy that he can't shut off when trying to overhear his father's thoughts to figure out what he got for his birthday, causing everyone to read his own mind. A Quakor Cartoon—Quakor returns to battle Monkey in Dexter's Lab. Until Quakor lays an egg (apparently Quakor is a girl), then the two fall in love. Momdark—Mandark disguises himself as Dexter's mother to get into Dexter's Lab. Unfortunately he has to deal with Dexter, Dad, and Dee Dee's requests. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep55">55</td> <td class="summary" style="text-align: left;">"Copping an Aptitude/A Failed Lab Experiment/The Grand-Daddy of All Inventions" </td><td>November 30, 2001 (2001-11-30)</td><td id="pc303">303</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Copping an Aptitude—Dexter's school and parents decide to send him to college. Though Dexter is happy to be there, The others party on and study later but still Dexter is still wanting to go to that hot tub. A Failed Lab Experiment—When Dexter's new device, made to help him see through solid objects, fails to work as expected, he ends up seeing through people's clothes. The Grand-Daddy of All Inventions—During a trip to his grandfather's house, Dexter learns that the outwardly boring old man has a lab just like his own. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep56">56</td> <td class="summary" style="text-align: left;">"Poppa Wheely/A Mom Cartoon/The Mock Side of the Moon" </td><td>January 18, 2002 (2002-01-18)</td><td id="pc304">304</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Poppa Wheely—It's career day and Dexter is ashamed of his father, so he creates a better father. A Mom Cartoon—Dexter's mother fights another woman at the supermarket for some new gloves. The Mock Side of the Moon—Dexter travels to the moon and finds that aliens are planning an invasion. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep57">57</td> <td class="summary" style="text-align: left;">"If Memory Serves/A Mandark Cartoon/Tele Trauma" </td><td>February 22, 2002 (2002-02-22)</td><td id="pc305">305</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> If Memory Serves—To keep himself from forgetting anything important, Dexter uses a device to copy his memories. A Mandark Cartoon—Mandark plans another scheme to get rid of Dexter. Everything in this cartoon is to the tune of Mandark's trademark laugh. Tele Trauma—Since his studying is interrupting his favorite TV shows, Dexter creates a helmet to absorb the shows directly. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep58">58</td> <td class="summary" style="text-align: left;">"A Boy Named Sue/Lab on the Run" </td><td>March 29, 2002 (2002-03-29)</td><td id="pc306">306</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> A Boy Named Sue—Mandark's origin is revealed. Lab on the Run—Two robots escape from Dexter's lab in order to have a better life, because if a robot makes even the tiniest mistake Dexter turns them into cubes of steel. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep59">59</td> <td class="summary" style="text-align: left;">"Dos Boot/A Dee Dee Cartoon/Would You Like That In The Can" </td><td>June 7, 2002 (2002-06-07)</td><td id="pc307">307</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dos Boot—Mandark gets inside Dexter's computer system, so Dexter must follow him inside. A Dee Dee Cartoon—Dee Dee goes and plays in her own "lab" after being kicked out of Dexter's. Would You Like That In The Can—Dexter must enter the girls bathroom to retrieve his lunchbox. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep60">60</td> <td class="summary" style="text-align: left;">"That Magic Moment/A Silent Cartoon/Opposites Attract" </td><td>June 14, 2002 (2002-06-14)</td><td id="pc308">308</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> That Magic Moment—Dexter's magician uncle pays a visit. A Silent Cartoon—Dexter is trying to paint his lab blue, but Dee Dee wants to make it pink. Opposites Attract—Dexter creates a magnetic field to keep Dee Dee away from him. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep61">61</td> <td class="summary" style="text-align: left;">"Comic Relief/A Third Dad Cartoon/RoboDexo 3000" </td><td>June 21, 2002 (2002-06-21)</td><td id="pc310">310</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Comic Relief—Dexter creates a device to make a life-like superhero comic, with his sister villain "Deestructa". A Third Dad Cartoon—Dexter's father plays golf with his kids. RoboDexo 3000—Dexter creates the ultimate robot to replace his previous model. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep62">62</td> <td class="summary" style="text-align: left;">"Glove at First Sight/A Mom & Dad Cartoon/Smells Like Victory" </td><td>June 28, 2002 (2002-06-28)</td><td id="pc311">311</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Glove at First Sight—Dexter's parents remember their first meeting. A Mom & Dad Cartoon—Dexter and Dee Dee listen in on their parents' conversation, they are playing Scrabble, but the way they talk makes it sound like Dad was cheating on Mom. Smells Like Victory—The U.S. army invades Dexter's lab under the mistaken impression that aliens are using it as a base. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep63">63</td> <td class="summary" style="text-align: left;">"Oh, Brother?/Another Dad Cartoon/Bar Exam" </td><td>July 5, 2002 (2002-07-05)</td><td id="pc312">312</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Oh, Brother?—Dexter turns his sister into a boy, but is disappointed when "he" is not as cool as Dexter would like. Another Dad Cartoon—With everyone out of the house, Dexter's father decides to spend the time dancing. Bar Exam—Dexter must pass a physical exam if he wants to pass P.E. and move up a few grades. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep64">64</td> <td class="summary" style="text-align: left;">"Jeepers, Creepers, Where is Peepers?/Go, Dexter Family, Go!" </td><td>July 12, 2002 (2002-07-12)</td><td id="pc313">313</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Jeepers, Creepers, Where is Peepers?—Dexter and Koos must save Peepers to keep the land of Kooz from disappearing. Go, Dexter Family, Go!—Dexter's family must rescue him from aliens. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep65">65</td> <td class="summary" style="text-align: left;">"Scare Tactics/My Dad vs. Your Dad" </td><td>September 20, 2002 (2002-09-20)</td><td id="pc309">309</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Scare Tactics—After watching a horror film, Dexter and his father become easily frightened. My Dad vs. Your Dad—Dexter and Mandark's fathers become embroiled in a conflict after trying defuse one between their sons. </td></tr>
# Title Original airdate Production code

Season 4: 2002-2003

<tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep66">66</td> <td class="summary" style="text-align: left;">"Beau Tie/Remember Me/Overlabbing" </td><td>November 22, 2002 (2002-11-22)</td><td id="pc401">401</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Beau Tie—Dee Dee has a new boyfriend who likes science and Einstein. Unfortunately, when Dexter tries to get the boyfriend, named Beau, to see his stuff, Beau ends up running away from the both of them in fear. Remember Me—When Dexter gets amnesia, Dee Dee decides to play tricks on him by creating a whole new identity for him. Overlabbing—Dexter and Mandark drill underground to expand their labs, but end up running into each other's work. So they agree to share the lab, inducing chaos. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep67">67</td> <td class="summary" style="text-align: left;">"Sis-Tem Error/Bad Cable Manners/Dexter's Library" </td><td>April 25, 2003 (2003-04-25)</td><td id="pc402">402</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Sis-Tem Error—Dee Dee accidentally shuts down Dexter's laboratory. Bad Cable Manners—Dexter pirates cable for his father. Dexter's Library—Dexter becomes the stern administrator of his local library. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep68">68</td> <td class="summary" style="text-align: left;">"The Scrying Game/Monstrosi-Dee Dee/Dad Man Walking" </td><td>May 2, 2003 (2003-05-02)</td><td id="pc403">403</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> The Scrying Game—Dee Dee learns a new game that can predict the future. Monstrosi-Dee Dee—A monster is roaming Dexter's lab, but he doesn't realize that it's actually Dee Dee, under the effects of one of his experiments. Dad Man Walking—Dexter's father sleepwalks into his son's lab. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep69">69</td> <td class="summary" style="text-align: left;">"Dexter's Little Dilemma/Faux Chapeau/D2" </td><td>May 9, 2003 (2003-05-09)</td><td id="pc404">404</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter's Little Dilemma—Dexter shrinks his parents and he puts them into a model of their house for observation. Faux Chapeau—Dexter's newest invention looks like a hat, so Dee Dee takes it and wears it around town. D2—Dexter and Dee Dee realize that they make a good team. So they do stuff together, but they make things worse. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep70">70</td> <td class="summary" style="text-align: left;">"Head Band/Stuffed Animal House/Used Ink"" </td><td>May 16, 2003 (2003-05-16)</td><td id="pc405">405</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Head Band—Dee Dee has a song stuck in her head. It is actually a virus. Dexter and Mom catch it too. Stuffed Animal House—Dee Dee's stuffed animals come to life and roam the house, when Dee Dee uses a formula that brings inanimate objects to life. Used Ink—Dexter creates a new type of ink that lets him command people to do whatever he wants. However, when Mandark gets his hands on it, Dexter becomes the one being commanded. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep71">71</td> <td class="summary" style="text-align: left;">"School Girl Crushed/Chess Mom/Father Knows Least" </td><td>May 23, 2003 (2003-05-23)</td><td id="pc406">406</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> School Girl Crushed—Dexter and Mandark are both outperformed by a new girl at school, so they team up to get rid of her. Chess Mom—Dexter's mother attempts to support him during a chess tournament but does nothing but embarrass him. Father Knows Least—Dexter's father is left to watch the kids while his wife visits her sister. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep72">72</td> <td class="summary" style="text-align: left;">"Dexter the Barbarian/Tuber Time/Sore Eyes" </td><td>May 30, 2003 (2003-05-30)</td><td id="pc407">407</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter the Barbarian—Dexter tries to emulate the barbarian hero of his favorite comic book. Tuber Time—Dexter studies the potato. When he is fascinated by its power to light up a light bulb, tries to use it as an energy source. Sore Eyes—Dexter tries to improve his eyesight by giving himself laser eye surgery, but goes too far in doing so. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep73">73</td> <td class="summary" style="text-align: left;">"Babe Sitter/Mountain Mandark/2Geniuses 2Gether 4Ever" </td><td>September 5, 2003 (2003-09-05)</td><td id="pc408">408</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> In Dexter's Laboratory opening, Mandark turns on new opening Mandark's Laboratory. Babe Sitter—Dee Dee is hired by Mandark's parents to babysit him. Mountain Mandark—Mandark gets in touch with nature. 2Geniuses 2Gether 4Ever—Dexter decides to work with Mandark, but finds himself doing all the work. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep74">74</td> <td class="summary" style="text-align: left;">"Height Unseen/Bygone Errors/Folly Calls" </td><td>September 12, 2003 (2003-09-12)</td><td id="pc409">409</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Height Unseen—Again tired of being short, but mindful of his past failures, Dexter decides to make everyone shorter than himself. Bygone Errors—An elder Dexter talks about the glory days, and his sister is still there to inject her opinions, telling him what really happened. Folly Calls—When Dee Dee accidentally chops off her pigtail, Dexter gives her some hair growth potion. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep75">75</td> <td class="summary" style="text-align: left;">"Voice Over/Blonde Leading the Blonde/Comic Stripper" </td><td>September 19, 2003 (2003-09-19)</td><td id="pc410">410</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Voice Over—When Dexter's computer gets laryngitis, Dexter must find a replacement voice. Blonde Leading the Blonde—Dexter refuses to admit that blondes have more fun, so Dee Dee secretly dyes his hair blond to prove it to him. Comic Stripper—Dexter finds out that all of Mandark's plans are taken from a comic book. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep76">76</td> <td class="summary" style="text-align: left;">"Tee Party/Dexter's Wacky Races" </td><td>September 26, 2003 (2003-09-26)</td><td id="pc411">411</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Tee Party—Dexter and his father enter a golf tournament, but Dexter's father proves inept at the sport. Dexter's Wacky Races—Dexter, Monkey, the Justice Friends, Dee Dee, her imaginary friend Koosalagoopagoop, Mandark, his parents, and Dexter's parents participate in a cross-country race. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep77">77</td> <td class="summary" style="text-align: left;">"The Lab of Tomorrow/Garage Sale" </td><td>November 4, 2003 (2003-11-04)</td><td id="pc412">412</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> The Lab of Tomorrow—Monkey narrates a documentary of the future of laboratories and sciences. Garage Sale—Dexter creates a device that turns people into hideous blobs. His parents then sell it at a garage sale, where it ends up in Mandark's hands. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep78">78</td> <td class="summary" style="text-align: left;">"They Got Chops/Poetic Injustice/Comedy of Feathers" </td><td>November 20, 2003 (2003-11-20)</td><td id="pc413">413</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> They Got Chops—When Dee Dee's Judo skills prove too much for Dexter, Dexter learns how to fight back from the same dojo she went to. Poetic Injustice—Dexter falls in love with a new girl at his school, but can't win her heart. Comedy of Feathers—Series Finale: Dexter is forced to take Dee Dee to the zoo, she ends up trying to save an ostrich, with disastrous results. </td></tr>
# Title Original airdate Production code

First Episode Airings

<tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep0a">0a</td> <td class="summary" style="text-align: left;">"The Big Sister" </td><td>March 10, 1996 (1996-03-10)</td><td id="pc106c">106c</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> When Dee Dee eats an experimental cookie of Dexter's design, she grows extremely tall and goes on a Godzilla style rampage. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep0b">0b</td> <td class="summary" style="text-align: left;">"Old Man Dexter" </td><td>March 17, 1996 (1996-03-17)</td><td id="pc103c">103c</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> When Dexter attempts to accelerate his aging so he can stay up late, Dee Dee sneaks into his lab again and causes Dexter to turn into an old man. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep0c">0c</td> <td class="summary" style="text-align: left;">"Dimwit Dexter (Brain Drain)" </td><td>April 14, 1996 (1996-04-14)</td><td id="pc105c">105c</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter has a mental lapse due to brain exhaustion and acts like a baby. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="ep77c">77c</td> <td class="summary" style="text-align: left;">"Chicken Scratch" </td><td>July 3, 2002 (2002-07-03)</td><td id="pc412c">412c</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter catches the chicken pox, and Dee Dee tells him a ridiculous tale that if he keeps scratching them, he will turn into an evil chicken. His nonstop scratching eventually does just that.
It appeared in theaters as a bonus short before The Powerpuff Girls Movie and later aired as part of the 77th episode of the series. </td></tr>
# Title Original airdate Production code


<tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="epSpecial 1">Special 1</td> <td class="summary" style="text-align: left;">"Dexter's Rude Removal" </td><td>July 12, 1998 (1998-07-12)</td><td id="pcS2">S2</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> Dexter tries to make Dee Dee less rude, making her half-nice and half-rude. The episode was only shown during select animation conventions. It was never aired publicly on Cartoon Network due to inappropriate content. The Johnny Test episode The Good, the Bad, and the Johnny later used this plot. It is unknown if it will ever be released on DVD. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="epSpecial 2">Special 2</td> <td class="summary" style="text-align: left;">"Ego Trip" </td><td>December 10, 1999 (1999-12-10)</td><td id="pc240-241">240-241</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> An army of robots comes out of Dexter's time machine, under orders to "destroy the one who saves the future." Believing them to mean him, Dexter travels to the future in order to see this event happen. He is horrified to find himself a wimpy young man, brainwashed so that he cannot remember his past, who works designing office cubicles for Mandark. Dexter convinces his older self that he is a genius who will one day save the future, and they travel to a later time together. Although they arrive in a scientific utopia, they find that the Dexter in this period is a doddering old man who can barely remember anything he has ever done. Backing up a few years, the three Dexters discover the world has fallen into ruin; the Dexter in this time is a muscular hero. All four of them team up to bring down Mandark, who has used the power of an invention stolen from Dexter to become an evil overlord. </td></tr> <tr class="vevent" style="text-align: center; background:#F2F2F2"><td id="epSpecial 3">Special 3</td> <td class="summary" style="text-align: left;">"Back to the Lab" </td><td>August 16, 2002 (2002-08-16)</td><td id="pcS3">S3</td></tr><tr><td class="description" style="border-bottom:3px solid #008080" colspan="4"> A pop art video highlighting the walkway sequence of a stern Dexter, marching presumably back to his lab. The video consisted of various clips and animatics derived from the series' later seasons. </td></tr>
# Title Original airdate Production code


bg:Списък с епизоди на Лабораторията на Декстърit:Episodi de Il laboratorio di Dexter

hu:A Dexter laboratóriuma epizódjainak listájaro:Listă de episoade ale serialului „Laboratorul lui Dexter”

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