Season 2

E1. Darkstar Rising

Oct 10, 2008 · 23m

A new villain comes into town, his name is Darkstar, he commits some crimes and gets the team's attention fast

E2. Alone Together

Oct 17, 2008 · 23m

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.

E3. Good Copy, Bad Copy

Oct 24, 2008 · 23m

An alien impersonates Ben with hopes of using his Omnitrix to annihilate him.

E4. Save The Last Dance

Nov 7, 2008 · 23m

Kevin asks Gwen to the school dance; Ben fears he's losing control of the Omnitrix.

E5. Undercover

Nov 14, 2008 · 23m

Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.

E6. Pet Project

Nov 21, 2008 · 23m

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.

E7. Grounded

Nov 23, 2008 · 23m

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.

E8. Voided

Dec 5, 2008 · 23m

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

E9. Inside Man

Dec 12, 2008 · 23m

Ben and the gang rescue a runaway prisoner of the DNAliens.

E10. Birds of a Feather

Mar 24, 2009 · 23m

The gang helps the prince of the arachna-chimps regain power

E11. Unearthed

Mar 25, 2009 · 23m

Ben cares for a baby monster and helps locate its parents before the DNAliens find it.

E12. War of the Worlds (1)

Mar 27, 2009 · 23m

Ben, Gwen and Kevin gather their allies to counter the threat of the incoming Highbreed fleet. Azmuth reveals a secret about the Omnitrix.

E13. War of the Worlds (2)

Mar 27, 2009 · 23m

Ben goes to the HighBreeds' world in an attempt to stop their attack on Earth.