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32 Episodes 2011 - 2012
Episode 1
Fri, Feb 4, 2011 30 mins
The gang come across an amnesiac alien who's being hunted by Sunder.
Episode 2
Fri, Feb 11, 2011 30 mins
Ben and friends set out to rescue the captured Baz-El.
Episode 3
Fri, Feb 18, 2011 30 mins
The evil Dr. Viktor returns.
Episode 4
Fri, Mar 4, 2011 30 mins
Jimmy comes to the rescue when the gang face evil alien plants.
Episode 5
Fri, Mar 11, 2011 30 mins
Gwen's cousin visits, and she's hiding a secret.
Episode 6
Fri, Mar 18, 2011 30 mins
Elena and the nanochips return.
Episode 7
Fri, Mar 25, 2011 30 mins
An evil creature has plans to enslave humans after his accidental release.
Episode 8
Fri, Apr 1, 2011 30 mins
Ben and the gang train at the Plumber's Academy.
Episode 9
Fri, Apr 8, 2011 30 mins
A day in the life of Gwen is presented.
Episode 10
Fri, Apr 15, 2011 30 mins
Ben 10K resurfaces during his hunt for the evil Eon.
Episode 11
Fri, Apr 22, 2011 30 mins
How Max met Verdona is revealed through flashbacks.
Episode 12
Fri, Apr 29, 2011 30 mins
The gang learn secrets about Area 51.
Episode 13
Fri, Sep 16, 2011 30 mins
Old George instigates a war against aliens on Earth.
Episode 14
Fri, Sep 23, 2011 30 mins
A Highbreed queen invades the Arachnachimps' planet.
Episode 15
Fri, Sep 30, 2011 30 mins
Techadon robots go after Ben on orders from Vulkanus.
Episode 16
Fri, Oct 7, 2011 30 mins
Julie joins a cult that worships Vilgax.
Episode 17
Fri, Oct 14, 2011 30 mins
Negative Ben profits from Ben's fame.
Episode 18
Fri, Oct 21, 2011 30 mins
Nano-chips impersonate Julie.
Episode 19
Fri, Oct 28, 2011 30 mins
Ben's Ultimatrix aliens want to be freed.
Episode 20
Fri, Nov 4, 2011 30 mins
The gang look into the Pacific Garbage Vortex.
Episode 21
Fri, Nov 18, 2011 30 mins
Ma Vreedle plans to spawn, which could dry up Earth's oceans.
Episode 22
Fri, Dec 2, 2011 30 mins
Vilgax makes a power play after obtaining Old George's sword.
Episode 23
Fri, Dec 9, 2011 30 mins
Azmuth sheds some light on how Old George obtained the sword and battled Dagon.
Episode 24
Sat, Feb 4, 2012 30 mins
A weapons expert from Techadon comes after the Ultimatrix.
Episode 25
Sat, Feb 11, 2012 30 mins
The gang go to Legerdomain to try to rescue Charmcaster.
Episode 26
Sat, Feb 18, 2012 30 mins
Charmcaster and Darkstar join forces to take out Ben, Gwen and Kevin.
Episode 27
Sat, Feb 25, 2012 30 mins
A starlet is captured by Captain Nemesis.
Episode 28
Sat, Mar 3, 2012 30 mins
Dr. Amino resurfaces.
Episode 29
Sat, Mar 10, 2012 30 mins
Albedo invades Ben's mind in order to get his hands on the Ultimatrix.
Episode 30
Sat, Mar 17, 2012 30 mins
The Forever Knights battle Dagon's Esoterica, and Ben is caught in the middle.
Episode 31
Sat, Mar 24, 2012 30 mins
Part 1 of 2. Dagon gets closer to his goal, thanks to the return of an old foe.
Episode 32
Sat, Mar 31, 2012 30 mins
Conclusion. Vilgax resurfaces more powerful than ever.