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This is a list of episodes in the American animated television series Ben 10: Alien Force. A total of 46 episodes have been produced and aired. [1] At the 2008 Comic Con, series producers revealed the show was picked up for a third season. The third season was revealed to have 20 episodes (instead of the usual 13) on story editor/executive producer Dwayne McDuffie's forum. Originally, series producers Dwayne McDuffie and Glen Murakami designed the first 26 episodes to be the first season. Cartoon Network, without their consent, split the order into the first two seasons.[2] The pilot of the series set a record as the most-watched original series premiere in Cartoon Network history among various young age groups according to preliminary data from Nielsen Media Research. The one-hour premiere also scored as the highest-rated telecast of the day on both cable and broadcast among similar age groups.[3]

Episode list[]

Seasons Episodes First air date Last air date
1 13 April 18, 2008 August 31, 2008 DNAliens
2 13 October 10, 2008 March 27, 2009 Highbreed
B10:AS 3 November 25, 2009 November 25, 2009 The Queen
3 20 September 11, 2009 March 26, 2010 Vilgax


Season 1: 2008[]

EP# Title Airdate Prod. code
1 "Ben 10 Returns: Part 1" April 18, 2008 (2008-04-18)101
After Grandpa Max disappears, Ben and Gwen decide to finish his last job while searching for him. While trying to decide whether to use the Omnitrix again, they meet Magister Labrid, Max's alien partner. He guides them to an arms trade between the Forever Knights and the DNAliens, brokered by Kevin Levin. Kevin is captured, but the Forever Knights escape with one of the weapons crates. Kevin, having not been paid, leads them to the Forever Knights' hideout, where they encounter a robotic dragon. 
2 "Ben 10 Returns: Part 2" April 18, 2008 (2008-04-18)102
Fleeing from the dragon, the group runs into an army of Forever Knights. In the ensuing confrontation, Magister Labrid is killed when he saves Kevin's life, and Kevin joins Ben and Gwen on their search for Max to repay that debt. After Ben, Gwen and Kevin track the weapons to a secret underground base, they discover an army of aliens, led by the Highbreed commander. Annoyed at being discovered, the Highbreed commander orders the termination of all life within a five-mile radius to eliminate any witnesses. In Ben's successful efforts to stop the commander, he learns that any damage he receives while transformed is inflicted upon his human form as well. 
3 "Everybody Talks About the Weather" April 26, 2008 (2008-04-26)103
The authorities arrest a half-human, half-Pyronite boy named Alan for arson and criminal damage. Alan is wearing a Plumber's badge, which the local sheriff triggers when he confiscates it. The badge signals Kevin's badge, which leads Ben, Kevin and Gwen to Alan. After a battle with Alan, Ben discovers that the DNAliens are responsible for the damage, having built a weather machine in the field. With Alan's help, Ben destroys the machine, and afterwards Ben offers Alan to come with him, Gwen and Kevin. Alan decides to stay, but offers to aid them whenever they need it. 
4 "Kevin's Big Score" May 3, 2008 (2008-05-03)104
Just when Ben and Gwen start to trust Kevin, he runs off with Max's RV, the Rustbucket, in hopes of trading it for alien technology. However, he is double-crossed by one of his old contacts named Argit and the Rustbucket is stolen. Before he can get it back, it is stripped for parts. Having been told that Vulkanus -- who he had double-crossed years ago -- is in possession of the alien device he seeks, Kevin tries to make a deal. Still bitter, Vulkanus has Kevin absorb a rare alien crystal called Taedenite, planning to use him as a living gem mine. He is rescued by Ben and Gwen and afterward reveals that the item he sought is a holo-viewer with another message from Grandpa Max, telling Ben that he will need to recruit a team. 
5 "All That Glitters" May 10, 2008 (2008-05-10)105
Ben, Gwen, and Kevin set out to locate the other Plumbers to recruit new members, and the first one on their list is a boy named Mike Morningstar. While Ben and Gwen are quick to trust him, Kevin remains suspicious (partly because of Gwen's liking to Mike Morningstar) particularly after they are attacked by a group of zombified school girls at the local power plant. Kevin's suspicions turn out to be valid, as it is Mike who is making the zombies, draining them of their lifeforce then commanding them to collect more power for him. Mike becomes nearly unstoppable, but Gwen is able to fight back and drains Mike's power in return, leaving him withered and powerless. 
6 "Max Out" May 17, 2008 (2008-05-17)106
Gwen's older brother, Ken, is missing and Gwen asks for Ben and Kevin's help to find him. In their search, the gang stumbles upon a Highbreed base that manufactures Xenocytes: headcrab-like parasites that mutate humans into DNAliens. Ken has been infected by one of the Xenocytes, but Ben is able to remove it with the help of the now-talking Omnitrix. With Ken in tow, the gang finds Grandpa Max inside the base. He explains that the Xenocyte eggs will be shipped across the country, and asks the gang to destroy them. While they comply, he sets about destroying the factory while searching for the egg-laying machine. The gang finds Max locked in battle with a Highbreed commander upon their return. In an act of self-sacrifice, Max uses an unfocused Null Void warp projector to destroy the Highbreed base. With his last words, he tells Ben to "Take it from here". Then everything, except Ben, Gwen, Kevin and Ken, is sent to the Null Void. In the aftermath, a group of disguised DNAliens are shown gathering surviving Xenocytes from the wreckage of the base. 
7 "Pier Pressure" May 31, 2008 (2008-05-31)107
Gwen tells Ben to go to the fair with Julie. Ben listens to Gwen,because she is his favorite cousin, and goes. Ben goes with Julie at the local fair, but it is ruined when a dog-like Galvanic Mechomorph named Ship takes control of the rides and kidnaps Julie. Julie, however, finds Ben's secret impressive,(the omnitrix) and assures him his powers are unique. Ship manages to lead Ben back to his ship, where its wounded owner, Baz-El is trapped. After freeing Baz-El, he decides to leave Ship with Ben. 
8 "What Are Little Girls Made Of?" June 7, 2008 (2008-06-07)108
Gwen learns where her powers come from when she meets her alien grandmother Verdona. Verdona offers to take Gwen back to her home planet, where she can learn to fully control her powers. When Gwen refuses, Verdona decides to destroy Gwen's body, releasing the energy being inside. After a short battle, Gwen firmly tells Verdona that she wants to stay on Earth and stay the way she is. Verdona accepts this and leaves, though she promises to check up on Gwen occasionally. 
9 "The Gauntlet" June 14, 2008 (2008-06-14)109
After Ben stands up to JT and Cash, and making Cash look stupid in the process, the two decide to wreck Kevin's car to repair their reputation. After pushing it down a cliff, the trunk is knocked open, and they make off with a laser-firing glove from a robot the group had defeated the previous night. When Cash puts the glove on, it begins to reform into the original robot around his body, compelling him to fight Ben. Ben is able to overpower Cash as Chromastone, and JT manages to convince Cash to fight the robot's influence, reverting it back into the glove. JT reconciles with Ben and walks away with Cash. 
10 "Paradox" July 5, 2008 (2008-07-05)110
A creature is roaming around an abandoned town, aging everything it touches at an accelerated rate. When Ben, Gwen, and Kevin investigate, they meet Paradox, a scientist from the 1950s who was sucked into the event horizon of his time-travel experiment. Displaced from time and space, Paradox has existed for 100,000 years and is able to move through time at will. However, the same mistake that rendered him ageless created the creature they seek. Ben realizes that the creature is not acting like a monster, but a confused person, and has Paradox take them back to the day of the accident. There, as Humungousaur Ben rescues Paradox's assistant, Hugo, nullifying the creature's existence. In the present, the now old Hugo joins Paradox in exploring time and space. 
11 "Be-Knighted" July 12, 2008 (2008-07-12)111
Kevin arranged a meeting for Ben with the Forever Knights, who need help in slaying a dragon they have kept captive underneath their castle for 1,000 years. Slaying the dragon is the very reason their organization exists. After a failed attempt, in which the dragon appears to be trying to communicate, they track it to a warehouse where its spaceship is being held. Ben fits the dragon with a translator as Spidermonkey so it can speak, and it reveals that it was a mapmaker before being captured. Angry after a millennium of imprisonment, the dragon arms itself to fight back. Ben convinces it to leave peacefully. Though the Knights believe to have lost their purpose, the news that a world full of dragons exists renews their pledge, as does their need to exact revenge on those who allowed it to return home. 
12 "Plumbers' Helpers" July 19, 2008 (2008-07-19)112
A pair of rogue plumbers, a female Kineceleran named Helen and a male Tetramand named Manny, kidnap Kevin, believing him to be an alien. After his rescue, the two sides work things out. After looking at a database of the aliens they captured and put into the Null Void, Ben realizes that some of them may have been Plumbers' kids. To make things right, the duo set out into the Null Void to rescue those they wrongfully imprisoned. 
13 "X = Ben + 2" August 31, 2008 (2008-08-31)113
The Incusion Emperor Milleous plans to destroy the Earth for kidnapping his daughter Attea. During their search, Ben uses the untested Alien X form to fix a broken dam. Though the task proves simple thanks to Alien X's reality-warping abilities, Ben finds himself locked in debate with the other two personalities inside the alien, unable to move or transform back without their consent. In the meantime, Kevin and Gwen have to protect Ben while trying to save the Earth. Ben, tired of the fruitless debate, demands to be transformed into another alien which can actually get the job done. He manages to save the Earth with Swampfire, but resolves never to use Alien X again. 

Season 2: 2008-2009[]

EP# Title Airdate Prod. code
14 "Darkstar Rising" October 10, 2008 (2008-10-10)202
Ben, Gwen, and Kevin are forbidden to fight against the Highbreed threat by Magister Prior Ghilhil of the Plumbers, who doubts the Highbreed are even as much of a threat as they claim. However, all three sides find themselves working together when Mike Morningstar, now going by Darkstar, captures all but Gwen, who manages to escape during fight, to feed his powers. With the help of the DNAliens, Gwen frees her friends. All of them finally defeat the Darkstar. As Mike is captured the Highbreed Lord and the DNAliens manage to escape. In gratitude, Magister Ghilhil makes the team Honorary Plumbers so they can defend the Earth legally and help the world. 
15 "Alone Together" October 17, 2008 (2008-10-17)203
After an accident with a teleporter pod, Ben and a Highbreed Commander named Reinrassig III are stranded on a desert planet that acts as a routing station for the teleporter. The pair are forced to work together to fend off the dangerous predators on the planet while making their way to the routing station, much to Reinrassig's chagrin. As they make their way across the desert, the two save each other from danger several times, even risking their own lives to do so. After reaching the teleporter pod, Reinrassig III stays behind, having deemed himself contaminated by Ben and thus a risk to the purity of his species. Gwen gives Ben a hug when he is back. 
16 "Good Copy, Bad Copy" October 24, 2008 (2008-10-24)204
A Galvan (the race that created the Omnitrix and gave Ben the form of Grey Matter) named Albedo builds his own Omnitrix and is permanently stuck in Ben's human form (since wearing the Omnitrix, Ben's DNA has become a default in the Omnitrix, according to Albedo). Now, because they share DNA, they can change into the same forms as each other. Azmuth comes after both Ben and Albedo's Omnitrixes become attached, permanently damaging Albedo's human form. Azmuth removes the face plate of Albedo's Omnitrix, ensuring his human form is both a punishment and a prison for proving himself as a lesser being. Albedo is teleported to a Plumber prison while Azmuth says to Ben that he was the one to use the Omnitrix for good, not evil. 
17 "Save the Last Dance" November 7, 2008 (2008-11-07)117
Gwen forces Kevin to take her to her school's dance, forcing a clueless Kevin to seek advice from Ben. However, Ben has his own problems, as Big Chill takes over his body with each transformation and starts trying to eat every metal object in sight. Joined by Julie, Gwen and Kevin manage to subdue Big Chill, only to discover that Big Chill was only building a nest for eggs he had laid. The eggs hatch into infant Necrofriggians, and Kevin teases Ben about being a "mother." Julie takes Ben home on her scooter, while Gwen and Kevin miss the dance, and decide to dance to the music in Kevin's car. 
18 "Undercover" November 14, 2008 (2008-11-14)118
Kevin, Gwen, and Ben destroy a teleporter they were working on and need help repairing it. Kevin suggests Cooper, the young boy who had helped the Tennysons in the past. Unfortunately, Cooper has been kidnapped by the DNAliens. They track him to the abandoned military base where Paradox built his time machine. They discover that the Highbreed have erected a cloaking field, built by Cooper over the area, concealing a mysterious arch-like device. They free Cooper and have him destroy the cloaking generator, during which he has visions of the arch acting as a gateway for a fleet of ships and the Earth being destroyed. Despite destroying the generator, the Highbreed manage to repair it and continue their operations unhindered. 
19 "Pet Project" November 21, 2008 (2008-11-21)119
Forever Knights' scientist Dr. Joseph Chadwick sends Sir Morton to kidnap Ship so that the Forever Knights can use him to mass-produce a fleet of interstellar spacecraft with which to attack the homeworld of the alien dragon that escaped them. Joined by Julie, who has been taking care of Ship, Ben, Gwen, and Kevin mount a raid on the Forever Knights' stronghold to rescue him. Though Joseph is using a control device to make Ship obey him, Julie is able to convince Ship to resist. The Forever Knights' stronghold is destroyed and the group now has access to a spaceship since Ship can transform into the vehicle the Forever Knights had hoped to mass-produce. 
20 "Grounded" November 23, 2008 (2008-11-23)120
While fighting one of the Highbreed, Ben's parents catch him transforming into Swampfire. They forbid him from using the Omnitrix, forcing Kevin and Gwen to fight the DNAliens by themselves. After trying to sneak out as Echo Echo, Ben gets grounded and is made to spill the beans about Gwen, getting her grounded, leaving Kevin alone. Kevin's trouble with the DNAliens eventually pushes Ben over the edge, and he breaks out of his house as Humongousaur in front of his parents to help. After a short battle aboard a small freighter carrying a rare isotope which the DNAliens plan on using, Ben's parents come to the rescue, admitting that they are proud of Ben and understand what he needs to do. 
21 "Voided" December 5, 2008 (2008-12-05)121
Helen and Manny call on Ben to help deal with a dangerous foe in the Null Void: D'Void. Ben goes in alone, with Kevin and Gwen waiting on the other side to bring him back. Once inside, Ben is shocked to learn that "D'Void" is really his old enemy Dr. Animo, who has taken control of the Null Guardians and enslaved the inhabitants of the Null Void. Using them as slave labor, he has built a machine to drill through the dimensional wall, hoping to bring his army to Earth. With the help of Grandpa Max, who was transported to the Null Void in "Max Out", and a small force of rebels he has gathered, Ben manages to destroy the drilling machine as Big Chill and defeat Dr. Animo. Gwen opens a portal back to Earth for Ben, but Grandpa Max cannot join them yet as things have to be set right in the Null Void first. 
22 "Inside Man" December 12, 2008 (2008-12-12)122
The team rescues a man named Tyler, who stole the Oscillator Key for the Highbreed's hyperspace gateway. He crashes his truck and suffers memory loss as he escapes. Both the DNAliens and the team track down the device, resulting in a battle. The team is victorious, but they discover that Tyler is actually a DNAlien, having managed to resist the Xenocyte controlling him. More DNAliens arrive to reclaim the Oscillator Key, capturing Tyler during the struggle. Ben opts to save Tyler instead of retrieving the Oscillator Key, and uses the Omnitrix to restore him to human form. As the DNAliens escape, the four now know their plan and prepare to take action. 
23 "Birds of a Feather" March 24, 2009 (2009-03-24)123
The prince of the Arachnachimps (Spidermonkeys), Simion, needs help in retrieving a crystal which is the symbol of the monarchy on his planet. The crystal is being kept in a base on the moon. Ben offers his help, but Kevin and Gwen are skeptical. In the midst of the battle, Ben discovers that Simion has been lying, and that the crystal is actually powering an intergalactic communications station. By stealing it, Simion will prevent Earth from calling for help against the Highbreed invasion. Ben tricks Simion into stealing a worthless acid dispenser instead, resulting in Simion having a very unpleasant encounter with the Highbreed that employed him. 
24 "Unearthed" March 25, 2009 (2009-03-25)124
A DNAlien mining operation uncovers an alien spacecraft, from which a large, alien child is released. She wanders around the nearby town collecting random items, eventually attracting the attention of Ben, Gwen, and Kevin. After a short battle, they realize that the alien is a child. She perceives Gwen as an Anodite and hangs on her every word. Needing to return the child to her parents, the team follows her back to her ship. After defeating the DNAliens, the team wakes the child's parents, who depart the planet after Ben explains that they've been in stasis for fifty years. 
25 "War of the Worlds: Part 1" March 27, 2009 (2009-03-27)125
Paradox and Azmuth arrive on Earth to warn Ben of the approaching Highbreed fleet. Gwen and Kevin gather all the allies they've met (Allen, Cooper, Julie and Ship as well as their enemy Darkstar) to counter the threat. Meanwhile, Azmuth reveals to Ben that the Omnitrix contains the DNA of every sentient species in the galaxy, over one million in total, and unlocks the Master Control so Ben can effectively combat the Highbreed. This includes 3 of his old aliens; Cannonbolt, Upchuck and Way Big. With Ben as Cannonbolt, the team converge on the Highbreed hyperspace jump gate in an effort to prevent the fleet from arriving, but the attack only provokes the Highbreed in charge to summon the fleet ahead of schedule. To try and stop the fleet coming through, the team with Ben as Upchuck attempts to destroy the hyperspace jump gate but it does not work. Ben then turns into Way Big, and tries to rip down the gateway, it starts to work but as the Highbreed in charge now pre-emptively activates the gate, it initiates and knocks him down. 
26 "War of the Worlds: Part 2" March 27, 2009 (2009-03-27)126
The team have to get to the Captain of the fleet, on the Highbreed homeplanet to stop the invasion. Ben, Gwen and Kevin quickly head to the Captain of the fleet. The Highbreed commander and the team fight, and Gwen reveals her anodite form for the first time. The trio is then surrounded by a group of DNAliens, but are saved by Grandpa Max, Pierce, Helen and Manny plus one Null Guardian, who have regained control over the Null Void. Ben, Gwen, Kevin, Azmuth and Ship as a spaceship head to the Highbreed's homeworld to confront the Supreme with Ben as Brainstorm being the pilot. The Highbreed Supreme refuses to recall the fleet, and Azmuth reveals that the Highbreed's obsession with genetic purity has resulted in sterility in their species; they intend to cleanse the galaxy of all life in retaliation. Using the Omnitrix, Ben sends out an energy wave that reprograms the DNA of every Highbreed in the galaxy, fusing their DNA with random species from the Omnitrix to repair their genetic damage. Reinrassig III returns to convince his race that their new impurity is desirable, and the fleet is recalled. Max decides to take in Ben's recruits (all except Darkstar, who ran off) and train them. As a side effect of reprogramming the Highbreed genetic damage, Ben finds the Master Control has been reset, leaving him with brand new aliens as well as his old ones. 

Season 3: 2009-2010[]

EP# Title Airdate Prod. code
27 "Vengeance of Vilgax: Part 1" September 11, 2009 (2009-09-11)201
Vilgax resurfaces with a new army and new and stronger powers. Under the Galactic Code of Conduct, he challenges the greatest champion of each world he visits to single combat, the prize being that champion's planet. Each time he defeats a champion, he absorbs their powers. With the strength of ten heroes at his disposal, Vilgax heads to Earth and challenges Ben, giving him 24 hours to prepare. In order to gain a sporting chance, Ben attempts to unlock the Omnitrix's Master Control, despite Azmuth warning him not to. 
28 "Vengeance of Vilgax: Part 2" September 11, 2009 (2009-09-11)202
Bens attempt to unlock the Omnitrix causes an overload, releasing the base forms for Chromastone, Spidermonkey, Goop, and Way Big. Kevin is also trapped in a mutated metal/rock/wood/crystal form by the energy release. Ben, Gwen and Kevin set out to recapture the four released forms under the orders of a very disappointed Azmuth. They are able to capture three of the four, but Way Big is too far away to reach in time. Ben leaves to fight Vilgax while Gwen and Kevin retrieve Way Big. The battle goes badly for Ben at first, as Vilgax's powers and wide array of weapons are able to overcome his alien forms. When Gwen and Kevin return with Way Big, Ben attempts to use the form, only to end up as Chromastone instead. Vilgax destroys Chromastone, but Ben regenerates from the remains into Diamondhead. Using Diamondhead, Ben easily defeats Vilgax. Vilgax is banished from Earth and never allowed to return, but promises to get his revenge somehow. 
29 "Inferno" September 18, 2009 (2009-09-18)203
Ben, Gwen, and Kevin are sent to investigate an attack by Pyroxivors (a type of subterranean cattle) on a oil drilling operation. Deep underground, they discover the mole-like Moldywarp, their owner. He explains that the creatures were driven above ground by Vulkanus, who has been secretly drilling into the earth's depths. He plans to drop a bomb into the earth's core, thereby raising the temperature of Earth to match that of his home planet. Ben manages to stop the bomb before it can reach the core, and Moldywarp uses his cache of explosives to seal the cavern permanently. 
30 "Fool's Gold" September 25, 2009 (2009-09-25)204
A species of goat-like aliens comes to Earth for a Popcorn Festival in Walton. These aliens feed on popcorn and produce solid gold poop, which keeps the town running. Ben, Gwen, and Kevin are called in by one of the aliens named Orb, who has lost track of his friend, Decka. Mayor Coleman has kidnapped Decka in hopes of having a constant supply of gold, but when he feeds the alien meat, he morphs into a primal form that will multiply uncontrollably if it absorbs enough energy. After being told that the species cannot digest silicon, Ben sacrifices himself by feeding Decka an army of Echo Echos, causing him to vomit up everything he ate and return to normal. He and Orb then leave in their ships, with an angry Decka stating that he will tell everyone what Mayor Coleman did to them and they will never come back. 
31 "Simple" October 9, 2009 (2009-10-09)205
After receiving a message from a five-year-old alien named Probity, Ben convinces Kevin and Gwen to help end a war on the child's home planet. The two sides are bent on war, however; even kidnapping & threatening the respective generals fails. Ben transforms into Way Big so he may speak to the entire planet at once, inadvertently worsening the situation when he accidentally destroys the planet's hero's statue. This unites the entire planet in its hate for Ben. Meanwhile, Kevin who has been selling weapons to either side, decides to run with the profits he has made but is instead forced to leave the money behind. The money is discovered by Probity (who was disatisfied with Ben's attempts to stop the war). 
32 "Don't fear the Repo" October 16, 2009 (2009-10-16)206
Rhomboid and Octagon Vreedle are hired to return Ship to his "parent" Baz-L. Ben and Kevin travel to Coda to dispute Baz-L's claim to Ship while Gwen and Julie stay behind to hold off the Vreedle Brothers. Ben convinces Judge Domstol to rule in his favor and they arrive on Earth in time to save Ship and defeat the Vreedle Brothers. Despite his reluctance, Baz-L accepts that Ship belongs to Julie now. 
33 "Single Handed" October 23, 2009 (2009-10-23)207
A bounty hunter named Sunder attempts to remove the Omnitrix from Ben. His energy axe reacts with the Omnitrix, sending Ben into the Null Void but with his left hand still on Earth, connected by a dimensional rift. Ben's hand, acting of its own accord, locates Julie, who takes it to Gwen and Kevin. While Kevin works to reunite Ben with his hand, Julie and Gwen hold off Sunder. They use the hand to fight off Sunder while Kevin builds a device to return Ben to Earth. In a twist of irony, Ben is brought back on Earth while his hand is sent to the Null Void. Using Sunder's axe in combination with his own device, Kevin restores Ben and Sunder is sent to the Null Void. 
34 "If All Else Fails" November 6, 2009 (2009-11-06)208
An earthquake wakes a Highbreed officer, who was put into stasis and only to be awakened if the Highbreed lost the war. Per his orders, he triggers a weapon of last resort meant to destroy Earth. Mind-controlling seeds take over Grandpa Max and four others, using Max as the brain for a living bomb that will end all life on the planet. The Highbreed officer refuses to believe Ben's claims of peace, and won't divulge how to stop the creature. While Gwen and Kevin try to slow it down, Ben enlists the aid of Reinrassic III to get the Highbreed officer to cooperate. Unable to stop the monster from the outside, Ben, Gwen, and Kevin sneak inside the monster to destroy it within. They manage to save the humans being used as its brain and the Highbreed officer sacrifices himself to dispose of the creature safely. 
35 "In Charm's Way" November 13, 2009 (2009-11-13)209
Kevin is upset by his inability to change back to human form and he vents his frustration by blaming Gwen for her inability to help. Charmcaster, seeking to steal Gwen's powers, charms Kevin to trick her into walking into a trap. Despite discovering the ruse and coming prepared, Gwen is still drained of her power. Kevin tricks Charmcaster into returning to Ben and Gwen, allowing Gwen to reverse the spell and regain her powers. Gwen then sucks Charmcaster into a magical vortex. After being drenched with a smoothy, Kevin cleans off in a lake, once again blaming Gwen for his inability. Ben then tells him that Gwen has been trying day and night to cure him. 
36 "Ghost Town" November 20, 2009 (2009-11-20)210
Vilgax springs Ghostfreak from his prison but Ghostfreak betrays him and starts to possess the people of Vilgaxia. After his battle with Ghostfreak, Vilgax returns to Earth to seek Ben's help. Vilgax, Ben, Gwen, and Kevin travel to Vilgaxia to stop him. Ben comes up with a plan for Ghostfreak to possess his body so his DNA will return to the Omnitrix, but Ghostfreak takes over Ben. Just when Ghostfreak is about to take over Vilgax's body as well, he hits Ghostfreak with a explosion of light, weakening Ghostfreak to the point where Ben could control him again. 
37 "Trade-Off" December 4, 2009 (2009-12-04)211
Kevin and Darkstar (Mike Morningstar) set aside their differences to find an alien artifact called the Dominus Librium which can cure their respective conditions. It works, making them both powerless humans. Mike keeps the artifact. Gwen finds out about Kevin's alliance with Mike and confronts Mike about it, only to discover that he planned for her to do so. Using the Dominus Librium, he steals her powers, then Ben's when he and Kevin come looking for her. Kevin, despite being powerless, manages to grab the Dominus Librium, shattering it and returning both himself and Darkstar to their previous forms. Darkstar escapes, promising revenge. 
38 "Busy Box" December 11, 2009 (2009-12-11)212
Ben, Gwen, and Kevin finds a curious alien box called the Naljian Destructor, which can robotically duplicate anything it sees. It quickly copies the powers of Ben, Gwen, and Kevin as they attempt to destroy it. The Vreedle brothers then show up to take the Destructor for themselves. As it has already learned to copy the trio's powers and sees them as enemies, they escape easily. However, the Vreedle brothers return in short order as the Destructor has become uncontrollable and much more destructive. They try to leave it on Earth, but it blows up their ship when they try to retreat, killing them. After a long battle, the trio manages to remove its power source. As soon as it's neutralized, an alien arrives to reclaim it, explaining that it is merely an extra dimensional children's toy. 
39 "Con of Rath" January 8, 2010 (2010-01-08)213
Zaw-Veenull, a Luoadan Ambassador asks Ben to deliver their Crown Prince Tiffin to Jarret in order to keep peace between the two species. Shortly after their trek begins in space, the Omnitrix malfunctions and turns Ben into an Appoplexian named Rath who wants to fight anything that breathes. The worst part is that Rath can't change back into Ben. Rath keeps picking a fight across the galaxy with anyone who crosses their paths and things don't look good as they approach the Pantaphage homeworld on a mission of peace. During their Trek the Team encounter's various villains they've faced in the past (The Incursions, Vulkanus, clones of the original Vreedle Brothers, and Argit). When they finally get there they discover that Tiffin is a meal for Jarret after which Rath jumps down his throat, rescues the Tiffin and threatens Jarret to never attack the Luoadans. After returning the Tiffin, Kevin revealed that the Tiffin was the one who was causing the malfunction and the episode ends with Ben about to beat up Kevin as Rath. 
40 "Primus" January 15, 2010 (2010-01-15)215
In the middle of fighting another Techadon robot, Ben, Gwen, and Kevin are unexpectedly transported by the Omnitrix to an alien planet called Primus. They soon discover that the planet is actually a planet created by Azmuth which contains all the DNA samples from every life form in the galaxy. They soon learn that Vilgax is there to stop the Omnitrix from its source and that the Omnitrix's fail-safe program brought them there to defend the planet. Azmuth attempts to stop Vilgax and loses and Ben is captured along with Kevin and Gwen. Ben offers to teach Vilgax about the Omnitrix if he lets Gwen and Kevin go. He turns Vilgax into Goop, shuts off Goop's artificial gravity and removes the Omnitrix from his immobile body. Ben then uses Cannonbolt and Way Big to throw Vilgax off the planet and, though it doesn't make up for damaging the Omnitrix, Azmuth "thanks" Ben by letting him keep it. 
41 "Time Heals" January 22, 2010 (2010-01-22)214
Gwen, as Lucky Girl steals the Arcamada Book of Magic from Hex's mansion that allows her to travel back in time so she can stop the Omnitrix from overloading back in "Vengeance of Vilgax". Paradox intervenes just before she casts the spell. He fails when she goes back, despite Paradox's warning. Present Gwen convinces the Gwen from the past to stop them from hacking the Omnitrix. When she returns to the present, she learns from Paradox that she was killed by Charmcaster, Ben was defeated by Hex, and Kevin's been made into a rock-skinned slave of Charmcaster. Paradox stated that Gwen interfering in the past kept them from being strong enough to stop Hex. She then breaks into Hex's mansion and finds an injured Ben. Ben buys Gwen time and Gwen activates the time spell again. This time she convinces both her past selves not to interfere and wipes the memory of the Gwen that belongs in that time period. The two time traveler Gwens go home and the present Gwen takes the present Ben and present, monstrous Kevin to Mr. Smoothie's. On the way, the gang run into Paradox again who says, "Everything is fine." 
42 "The Secret of Chromastone" January 29, 2010 (2010-01-29)216
When Ben gets sick, he's pleased to see an old friend, Tetrax, but is caught off guard when Tetrax demands Ben give him Chromastone. Tetrax changes Ben into Chromastone but instead showed Diamondhead. Ben doesn't even have a chance to explain what happened to Chromastone when Tetrax attacks him demanding that he be handed over. Tetrax shatters Diamondhead and reveals Chromastone inside. Chromastone soon flies to Petropia, Tetrax's homeworld. Tetrax soon explains about why he needs Chromastone. He tells Ben, Gwen, and Kevin about Chromastone being the only one to save Petropia with a crystal. Ben's situation gets worse when Vilgax shows up and it is learned he is after the crystal. Ben, Gwen, Kevin, and Tetrax fight Vilgax until Kevin accidentally tells Vilgax whats going on. Vilgax flies to Petropia, while Ben, Tetrax, Gwen and Kevin go pursue him aboard Tetrax's ship. Vilgax soon arrives to Petropia and fights Chromastone, grabs the crystal off of him and flies back to his planet. Chromastone grows another crystal which Ben uses to finish the procedure of saving Petropia. 
43 "Above and Beyond" March 12, 2010 (2010-03-12)217

Max sends a message to the plumbers where Ben's attacking Max at a space station. Alan, Helen, Manny, and Pierce arrive to the space station and plan to stop Ben. Pierce suggests they work and stay together, but no one listens. Helen, the first to leave the group, finds Ben, but is defeated by his Echo Echo form. Later the team splits into two. Alan and Pierce get separated and Pierce ends up getting attacked and beaten by Goop. Later Manny and Helen get separated and get attacked and beaten by Rath. Helen, Manny, and Pierce regroup and try to find Alan. Alan soon finds Ben where he is attacked by Big Chill. Pierce, Manny, and Helen rescue Alan and try to beat Ben, but he manages to escape. Pierce suggests they work and attack like a team. Soon they find Ben, who goes Humongousaur at full size and fights the Plumbers Helpers. They soon suggest to attack Ben at once and throw Humongousaur into space. Because Humongosaur's weight threw off the balance of the ship's gravity control backup systems, realize the ship is crashing to London, so they sacrifice themselves for earth by self-destructing the ship but it doesn't explode. Max and Ben tell them that it was a test except the part with the space station crashing to London, and that they're soon heading to the Plumbers' Academy.

NOTE: Gwen and Kevin are mentioned in this episode but don't appear - the first time in Alien Force. 
44 "Vendetta" March 19, 2010 (2010-03-19)218
A deadly criminal known as "Ragnarok" breaks out of the Null Void, and begins a search for a mysterious key. Meanwhile, Kevin returns home to find his house ransacked with his mom, who confesses the truth about Ragnarok. Kevin then asks Ben and Gwen if they know anything about Ragnarok, and when they tell him they don't he tells them to stay out of the situation. The two, now concerned, ask Grandpa Max if he knows anything about the escape. He confesses to having a partner named Devin, who risked his life to stop Ragnarok several years ago. His partner's full name was none other than Devin Levin, Kevin's father. Ben and Gwen track Kevin with his plumber's badge and together, they force Ragnarok to flee. Gwen then helps Kevin find the "key" which is revealed to be disguised as a picture frame of a younger Kevin and his father, but Ragnarok steals it, then teleports to his ship. Ben, Gwen, and Kevin manage to transport themselves via the same signal, but before they find Ragnarok, Kevin tricks the other two to get into an escape pod. With Ben and Gwen descending down to Earth, Kevin can now extract his vengeance without interference. He and Ragnarok battle, while Kevin causes the entire ship to destabilize into a vortex. Ragnarok begs Kevin to save him, stating that his father would too. Despite his desperation, Kevin merely takes his key and deliberately allows him to get sucked into the vortex. 
45 "The Final Battle: Part 1" March 26, 2010 (2010-03-26)219
Albedo steals the incomplete Ultimatrix (a new device which Azmuth is working on) from Azmuth's lab and completes it, he tries revert to his old form but he is not able to, soon Vilgax proposes that the two of them should take revenge on Ben. Myaxx warn Azmuth. Meanwhile Ben is captured by an old enemy Kraab, Gwen and Kevin along with Ship takes a flight to rescue Ben, and they are back on Earth. Later Albedo defeats and captures Kevin (as Diamondhead) and Gwen (as Swampfire) and fails to defeat Max as Spidermonkey so runs away as Rath. Max goes to Ben's house and Albedo appears on the television blackmailing Ben to come to their rescue. Albedo as Humugousaur turn into Ultimate Humungousaur, with the power of the Ultimatrix, amd fights Ben and Ben discovers that Albedo has been working in conjunction with Vilgax. In order to save his friends Ben gives up the Omnitrix to Vilgax. 
46 "The Final Battle: Part 2" March 26, 2010 (2010-03-26)220
Max arrives and frees Ben and the gang and gives Gwen her old spell book which she uses to cast a teleportation spell that allows the gang to escape.Vilgax betrays Albedo and keeps the Omnitrix(against their plans)and uses it to turn his army of bioids into humongousaurs .Albedo fights and defeat most of them as Ultimate Humongousaur but they eventually beat him. Ashamed from what he recently did, Ben runs away into the forest where Gwen comes to help him but she is unable to as Ben is too depressed. Ben cries calling for Azmuth to come help him when behind him Azmuth reveals some secrets to the Ultimatrix and how to defeat Vilgax and Albedo. Powerless, Ben along with his gang goes aboard Vilgax's ship and faces off with Vilgax to stop his invasion of Earth. Ben sets the Omnitrix on self-destruct when Vilgax denies surrendering it and eventually the Omnitrix self destructs also causing Kevin to be returned to normal. Ben then sets self destruct on the Ultimatrix but Albedo returns the Ultimatrix and Ben shuts down the self-destruct. With the Omnitrix destroyed, Ben goes off and fights Vilgax with Swampfire from the Ultimatrix but since Swampfire is too weak he soon becomes Ultimate Swampfire and fights Vilgax while Gwen and Max take control of Vilgax's ship which is about to drop down and wreak havoc on Earth. As the ship drowns underwater, Ben escapes Vilgax's true alien form, a giant octopus-like creature, and comes to surface with Jetray where Gwen, Kevin and Max are floating after the ship's fusion drive explodes, apparently with Ben still inside it. Ben appears shortly afterwards and the whole gang hugs, Kevin wondered if Vilgax is alive, Ben says the last line of the series, "If he ever does, it's hero time!" 

DVD releases[]

USA (Region 1)[]

DVD title Season Aspect ratio Episode count Time length Release date
Ben 10: Alien Force Volume 1[4][5] Season One 4:3[4] 5[4] 110 Minutes[5] October 21, 2008[4][5]
Ben 10: Alien Force Volume 2[6][7] Season One 4:3[6] 4[6] 88 Minutes[7] January 13, 2009[6][7]
Ben 10: Alien Force Volume 3[8] Season One 4:3[8] 4[8] 88 Minutes[8] April 7, 2009[8]
Ben 10: Alien Force Volume 4[9] Season Two 16:9[10] 5[9] 113 Minutes[10] September 1, 2009[9]
Ben 10: Alien Force Volume 5[11] Season Two 16:9[12] 4[11] 90 Minutes[12] November 17, 2009[11]
Ben 10: Alien Force Volume 6[13] Season Two 16:9[13] 4[13] 90 Minutes[13] March 30, 2010[13]
Ben 10: Alien Force Volume 7[14] Season Three 16:9[14] 7[14] 159 Minutes[14] June 29, 2010[14]
Ben 10: Alien Force Volume 8[15] Season Three 16:9[15] 6[15] 136 Minutes[15] August 24, 2010[15]
Ben 10: Alien Force Volume 9[16] Season Three 16:9[16] 7[16] 180 Minutes[16] October 5, 2010[16]

Australia (Region 4)[]

DVD title Season Aspect ratio Episode count Time length Release date
Ben 10: Alien Force - Volume 1[17] Season One 4:3[17] 5[17] 110 Minutes December 3, 2008[17]
Ben 10: Alien Force - Volume 2[18] Season One 4:3[18] 4 88 Minutes[18] March 3, 2009[18]
Ben 10: Alien Force - Volume 3[19] Season One 4:3[19] 4[19] 88 Minutes May 6, 2009[19]
Ben 10: Alien Force - Volume 4[20] Season Two 4:3[20] 5[20] 114 Minutes August 5, 2009[20]
Ben 10: Alien Force - Volume 5[21] Season Two 4:3[21] 4[21] 88 Minutes[21] November 3, 2009[21]
Ben 10: Alien Force - Volume 6[22] Season Two 4:3[22] 4[22] 88 Minutes[22] February 10, 2010[22]
Ben 10: Alien Force - Vengeance of Vilgax[23] Season Three 4:3[23] 2 42 Minutes April 6, 2010[23]
Ben 10: Alien Force - Volume 7[24] Season Three 4:3[24] 5 109 Minutes June 28, 2010[24]
Ben 10: Alien Force - Volume 8[25] Season Three 4:3[25] 4 87 Minutes August 31, 2010[25]
Ben 10: Alien Force - Volume 9[26] Season Three 4:3 5 113 Minutes September 27, 2010[26]
Ben 10: Alien Force - Volume 10[27] Season Three 4:3 4 92 Minutes November 3, 2010[27]

See also[]

References[]

  1. TheFutonCritic Show Listings - TheFutonCritic.com, Accessed February 14, 2010
  2. Animated Shorts: Glen Murakami on Ben 10: Alien Force - Newsarama.com, Accessed April 25, 2008
  3. Ben 10: Alien Force Scores as Highest Original Series Premiere Among Kids 6-11, Boys 6-11, Boys 2-11 & Households Delivery in Cartoon Network History - TimeWarner.com, Accessed May 10, 2008
  4. 4.0 4.1 4.2 4.3 "Ben 10: Alien Force - Volume 1". Internet: tvshowsondvd.com. Retrieved 2010-02-13. 
  5. 5.0 5.1 5.2 "Ben 10: Alien Force, Vol. 1 (2008)". Product Info. Amazon.com. Retrieved 2008-10-04. 
  6. 6.0 6.1 6.2 6.3 "Ben 10: Alien Force - Volume 2". Product Info. tvshowsondvd.com. Retrieved 2010-02-13. 
  7. 7.0 7.1 7.2 "Ben 10: Alien Force, Vol. 2 (2008)". Product Info. Amazon.com. Retrieved 2010-02-13. 
  8. 8.0 8.1 8.2 8.3 8.4 "Ben 10: Alien Force - Volume 3". tvshowsondvd.com. Retrieved 2010-02-13. 
  9. 9.0 9.1 9.2 "Ben 10: Alien Force - Volume 4". Product Info. tvshowsondvd.com. Retrieved 2010-02-13. 
  10. 10.0 10.1 "Ben 10: Alien Force, Vol. 4". DVD back cover. Amazon.com. Retrieved 2010-02-13. 
  11. 11.0 11.1 11.2 "Ben 10: Alien Force - Volume 5". Product Info. tvshowsondvd.com. Retrieved 2010-02-13. 
  12. 12.0 12.1 "Ben 10: Alien Force, Vol. 5". DVD back cover. Amazon.com. Retrieved 2010-02-13. 
  13. 13.0 13.1 13.2 13.3 13.4 "Ben 10: Alien Force - Volume 6". Product Info. tvshowsondvd.com. Retrieved 2010-02-13. 
  14. 14.0 14.1 14.2 14.3 14.4 Lambert, David (2/10/2010). "Ben 10: Alien Force DVD news: Announcement for Ben 10: Alien Force - Volume 7". News (tvshowsondvd.com). Retrieved 2010-02-13.  Check date values in: |date= (help)
  15. 15.0 15.1 15.2 15.3 15.4 Lambert, David (13/5/2010). "Ben 10: Alien Force DVD news: Announcement for Ben 10: Alien Force - Volume 8". News (tvshowsondvd.com). Retrieved 2010-05-13.  Check date values in: |date= (help)
  16. 16.0 16.1 16.2 16.3 16.4 Lambert, David (17/6/2010). "Ben 10: Alien Force DVD news: Announcement for Ben 10: Alien Force - Volume 9". News (tvshowsondvd.com). Retrieved 2010-06-17.  Check date values in: |date= (help)
  17. 17.0 17.1 17.2 17.3 "Ben 10: Alien Force - Vol. 1". Product Info. ezydvd.com.au. Retrieved 2010-02-13. 
  18. 18.0 18.1 18.2 18.3 "Ben 10: Alien Force - Vol. 2". Product Info. ezydvd.com.au. Retrieved 2010-02-13. 
  19. 19.0 19.1 19.2 19.3 "Ben 10: Alien Force - Vol. 3". Product Info. ezydvd.com.au. Retrieved 2010-02-13. 
  20. 20.0 20.1 20.2 20.3 "Ben 10: Alien Force - Vol. 4". Product Info. ezydvd.com.au. Retrieved 2010-02-13. 
  21. 21.0 21.1 21.2 21.3 21.4 "Ben 10: Alien Force - Vol. 5 @ EzyDVD". Product Info. ezydvd.com.au. Retrieved 2010-02-13. 
  22. 22.0 22.1 22.2 22.3 22.4 "Ben 10: Alien Force - Vol. 6". Product Info. ezydvd.com.au. Retrieved 2010-02-13. 
  23. 23.0 23.1 23.2 "Ben 10: Alien Force - Vengeance of Vilgax". Product Info. ezydvd.com.au. Retrieved 2010-11-22. 
  24. 24.0 24.1 24.2 "Ben 10: Alien Force - Vol. 7". Product Info. ezydvd.com.au. Retrieved 2010-11-22. 
  25. 25.0 25.1 25.2 "Ben 10: Alien Force - Vol. 8". Product Info. ezydvd.com.au. Retrieved 2010-11-22. 
  26. 26.0 26.1 "Ben 10: Alien Force - Vol. 9". Product Info. ezydvd.com.au. Retrieved 2010-11-22. 
  27. 27.0 27.1 "Ben 10: Alien Force - Vol. 10". Product Info. ezydvd.com.au. Retrieved 2010-11-22. 

External links[]

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