The following is a list of episodes for
. There are a total of 46 episodes and 1 live-action movie. Season 1 was aired out of order. Ben 10: Alien Force
This article is about the Alien Force episodes in production order. You might have been looking for the U.S. Airing Order.
Season 1: 2008 (Episodes 1 - 13)
Ben 10 Returns: Part 1 1
April 18, 2008
Ben puts the Omnitrix back on after a hint in a hologram of Max.
Ben 10 Returns: Part 2 2
April 18, 2008
Kevin teams up with Ben and Gwen to take down one of the DNAlien ships.
Everybody Talks About the Weather 3
April 26, 2008
Ben and the gang are introduced to a Pyronite, who gets them into trouble with the police.
Kevin's Big Score 4
May 3, 2008
Kevin reverts to his old tricks when he steals the Rustbucket.
All That Glitters 5
May 10, 2008
Ben and the gang are introduced to a Plumber's kid who has super powers, but is not all he appears to be.
Pier Pressure 6
May 31, 2008
Ben gets his first date with Julie, but a Galvanic Mechamorph on the loose is ready to ruin it to get Ben's attention.
Max Out 7
May 17, 2008
The gang has another encounter with the DNAliens and a Highbreed when Gwen's brother and Grandpa Max go missing.
July 12, 2008
Ben and the gang team up with the Forever Knights to bring down a rampaging dragon.
What Are Little Girls Made Of? 9
June 7, 2008
Ben and Gwen are introduced to their alien grandmother.
The Gauntlet 10
June 14, 2008
Cash gets hold of the broken glove of an alien robot, which gives him powers.
Plumbers' Helpers 11
July 19, 2008
Ben and the gang encounter rogue Plumbers who get rid of any aliens on Earth.
July 5, 2008
A failed experiment fifty years ago causes major problems for Ben and the gang.
X = Ben + 2 13
August 31, 2008
Ben gets trapped in a new form, Alien X, while the Earth is in danger of being blown to bits.
Season 2: 2008 - 2009 (Episodes 14 - 26)
Darkstar Rising 14
October 10, 2008
Michael Morningstar returns with more power than ever and a sinister plot in mind.
Alone Together 15
October 17, 2008
Ben gets trapped on a desert planet in another dimension with possibly the worst partner possible; a Highbreed.
Good Copy, Bad Copy 16
October 24, 2008
Ben is introduced to Albedo, a Galvan (who is stuck in Ben's human form) in possession of a 'knock off' Omnitrix determined to take Ben's Omnitrix for himself.
Save the Last Dance 17
November 7, 2008
Ben has major problems controlling one of his transformations, Big Chill.
November 14, 2008
Ben and the gang go to rescue Cooper after he is kidnapped by the DNAliens.
Pet Project 19
November 21, 2008
Ben's loyalty to Julie is put to the test when a mad scientist kidnaps Ship.
November 23, 2008
Ben's parents find out about the Omnitrix and ground him and eventually, Gwen.
December 5, 2008
Ben goes into the Null Void after a distress call from Helen and is entitled to a huge shock there.
Inside Man 22
December 12, 2008
Ben and the gang meet Tyler, a man who has lost his memory, but has a secret.
Birds of a Feather 23
March 23, 2009
Ben meets an Arachnichimp who asks for Ben's help to recover a precious object with intentions of his own.
March 24, 2009
Ben and the gang face off against a monster wreaking havoc in Bellwood.
War of the Worlds: Part 1 25
March 27, 2009
Ben is forced to call in all forces available when the Highbreed carry out their plans of destroying all life in the universe.
War of the Worlds: Part 2 26
March 27, 2009
The team travels to the Highbreed homeworld to end the attack on the universe.
Season 3: 2009 - 2010 (Episodes 27 - 46)
Vengeance of Vilgax: Part 1 27
September 11, 2009
Vilgax returns more powerful than ever and challenges Ben, who is missing some of his transformations.
Vengeance of Vilgax: Part 2 28
September 11, 2009
Ben squares off against Vilgax.
September 18, 2009
Ben, Gwen, and Kevin discover that Vulkanus is planning to drill to the Earth's center.
Fool's Gold 30
September 25, 2009
An alien asks Ben to help locate his missing best friend.
October 9, 2009
Ben and the team travel to an alien planet to resolve a conflict between the inhabitants.
Vreedle, Vreedle 32
October 16, 2009
Ben and Kevin try to thwart repo-men sent to return Ship to his maker and appeal to a judge to rescind his ruling.
October 23, 2009
A bounty hunter who's after the Omnitrix sends Ben to the Null Void, but his left hand remains on Earth.
If All Else Fails 34
November 6, 2009
Ben and the team have to thwart a Highbreed failsafe, which gets accidentally set off.
In Charm's Way 35
November 13, 2009
Charmcaster returns and gets Kevin to help her to defeat Gwen.
Ghost Town 36
November 20, 2009
Vilgax asks for Ben's help to take down Zs'Skayr who has taken over his planet.
December 4, 2009
Kevin teams up with Darkstar to retrieve an artifact that could cure both of them.
Busy Box 38
December 11, 2009
Ben and the gang battle an alien's toy which proves to be very dangerous.
Con of Rath 39
January 8, 2010
The Omnitrix malfunctions, turning Ben into a ruthless and aggressive alien while on an intergalactic peace mission.
January 15, 2010
Ben and the gang get transported by the Omnitrix to a strange new planet where they encounter an old enemy.
Time Heals 41
January 22, 2010
Gwen goes back in time to stop the Omnitrix experiment from ever happening while causing disasters in the present time.
The Secret of Chromastone 42
January 29, 2010
A sick Ben is happy to see an old friend in Tetrax but finds out he has plans of his own.
Above and Beyond 43
March 12, 2010
The Plumbers' Helpers travel to a Plumber station to rescue Max from an insane, rampaging Ben.
March 19, 2010
Kevin decides to settle old scores with an escaped con.
The Final Battle: Part 1 45
March 26, 2010
Vilgax and Albedo return and team up to kidnap Kevin and Gwen so that they can take down their sole strongest enemy, Ben Tennyson.
The Final Battle: Part 2 46
March 26, 2010
Ben gives up the Omnitrix and overcomes seemingly impossible odds to defeat Vilgax, who has betrayed Albedo.
Ben 10: Alien Swarm November 25, 2009
Ben and his team must stop alien chips from taking over the planet.
Alien X-tinction April 11, 2021
The Tennysons are attacked by a villainous dimension-hopping Omni-alien, known only as Alien X. With help from a parallel universe version of Max, they bring multiple Bens and Gwens together to form an alien hero army and combat this threat.