Season 2
13 episodes · premiered Oct 10, 2008
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E1 Darkstar Rising
A new villain comes into town, his name is Darkstar, he commits some crimes and gets the team's attention fast
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E2 Alone Together
During a battle Ben and an alien commander are teleported to a distant world. They must put their differences aside if they're going to have any chance of finding a way to return to Earth.
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E3 Good Copy, Bad Copy
An alien impersonates Ben with hopes of using his Omnitrix to annihilate him.
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E4 Save The Last Dance
Kevin asks Gwen to the school dance; Ben fears he's losing control of the Omnitrix.
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E5 Undercover
Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.
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E6 Pet Project
To find and destroy the alien dragon species, the Forever Knights capture Ship to control a starship they built out of alien technology to locate their homeworld and destroy them.
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E7 Grounded
When Ben's parents discover his ability to turn into aliens, they forbid him from using the Omnitrix and later ground him from using it again. Eventually Gwen is grounded too leaving Kevin to stop the DNAliens.
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E8 Voided
After Gwen receives an S.O.S. from Helen, Ben must go into the Null Void to save her and Manny. Once there, he must find The Wrench in order to stop D'Void, who happens to be Ben's old enemy Dr. Animo
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E9 Inside Man
Ben and the gang rescue a runaway prisoner of the DNAliens.
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E10 Birds of a Feather
The gang helps the prince of the arachna-chimps regain power
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E11 Unearthed
Ben cares for a baby monster and helps locate its parents before the DNAliens find it.
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E12 War of the Worlds (1)
Ben, Gwen and Kevin gather their allies to counter the threat of the incoming Highbreed fleet. Azmuth reveals a secret about the Omnitrix.
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E13 War of the Worlds (2)
Ben goes to the HighBreeds' world in an attempt to stop their attack on Earth.