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Season 2
The gang meet a new girl called Eunice and everything is going well... until Sunder shows up for her.
The gang meet a new girl called Eunice and everything is going well... until Sunder shows up for her.
When Baz-El gets captured, it's up to Ben and the others to rescue him.
When Baz-El gets captured, it's up to Ben and the others to rescue him.
The team are called in to investigate a dispute in the small country of Zarkovia. Once there, they discover an old enemy is about to be unleashed.
The team are called in to investigate a dispute in the small country of Zarkovia. Once there, they discover an old enemy is about to be unleashed.
While looking for a story to put on his site, Jimmy sees a strange meteorite fall to Earth.
While looking for a story to put on his site, Jimmy sees a strange meteorite fall to Earth.
Gwen is infuriated by the prospect of her cousin paying the team a visit, and it only gets worse when it is uncovered that her cousin is not entirely human...
Gwen is infuriated by the prospect of her cousin paying the team a visit, and it only gets worse when it is uncovered that her cousin is not entirely human...
The gang face the swarm again, but this time with a new, more powerful queen.
The gang face the swarm again, but this time with a new, more powerful queen.
An evil creature released from another dimension has plans to enslave the human race for its master.
An evil creature released from another dimension has plans to enslave the human race for its master.
Ben, Gwen, and Kevin are forced to go through basic training at the Plumbers' Academy.
Ben, Gwen, and Kevin are forced to go through basic training at the Plumbers' Academy.
A day in the hectic life of Gwen Tennyson.
A day in the hectic life of Gwen Tennyson.
Ben 10,000 returns to help Ben battle a new, dangerous threat.
Ben 10,000 returns to help Ben battle a new, dangerous threat.
Max tells the kids about his first encounter with aliens and the story of how he and Verdona met and fell in love.
Max tells the kids about his first encounter with aliens and the story of how he and Verdona met and fell in love.
The team takes a look at the real purpose of Area 51 and have to recapture an escaped alien prisoner.
The team takes a look at the real purpose of Area 51 and have to recapture an escaped alien prisoner.
Old George brings the Forever Knights in one group in order to vanquish every alien being on Earth.
Old George brings the Forever Knights in one group in order to vanquish every alien being on Earth.
A Xenocyte Queen takes over the Arachnichimps' home planet.
A Xenocyte Queen takes over the Arachnichimps' home planet.
Ben finds himself in an inescapable situation when Techadons, custom-made to destroy him, start coming after him.
Ben finds himself in an inescapable situation when Techadons, custom-made to destroy him, start coming after him.
Julie joins a fanatical group who, unbeknownst to her, have discovered Vilgax and worship him.
Julie joins a fanatical group who, unbeknownst to her, have discovered Vilgax and worship him.
Albedo resurfaces, and he's making money off of Ben's fame.
Albedo resurfaces, and he's making money off of Ben's fame.
The nanochips are back, and have disguised themselves as Julie.
The nanochips are back, and have disguised themselves as Julie.
The six Ultimate Forms demand their freedom from the Ultimatrix.
The six Ultimate Forms demand their freedom from the Ultimatrix.
The team battles a new, dangerous threat in the Pacific Ocean.
The team battles a new, dangerous threat in the Pacific Ocean.
Ma Vreedle plans to create a clone army of her newest spawn, using all of Earth's saltwater as a key ingredient in the cloning process.
Ma Vreedle plans to create a clone army of her newest spawn, using all of Earth's saltwater as a key ingredient in the cloning process.
Vilgax and the Flame Keepers' Circle duel George and the Forever Knights, who oppose their goals of reviving Dagon.
Vilgax and the Flame Keepers' Circle duel George and the Forever Knights, who oppose their goals of reviving Dagon.
Azmuth reveals how Sir George got his sword and slayed Dagon, and the team decides to make a deal with the First Knight.
Azmuth reveals how Sir George got his sword and slayed Dagon, and the team decides to make a deal with the First Knight.
A mysterious weapon master from Techadon visits Earth and wants the Ultimatrix to enhance his creations.
A mysterious weapon master from Techadon visits Earth and wants the Ultimatrix to enhance his creations.
Ben, Gwen, and Kevin set out to rescue Charmcaster from Ledgerdomain, but, unbeknownst to them, Charmcaster has plans of her own.
Ben, Gwen, and Kevin set out to rescue Charmcaster from Ledgerdomain, but, unbeknownst to them, Charmcaster has plans of her own.
Darkstar finds his way into Ledgerdomain, where he seduces Charmcaster, using her energies in his latest attempt to destroy Ben, Gwen, and Kevin.
Darkstar finds his way into Ledgerdomain, where he seduces Charmcaster, using her energies in his latest attempt to destroy Ben, Gwen, and Kevin.
Movie star Jennifer Nocturne, who is not in her right mind, teams up with the evil Captain Nemesis.
Movie star Jennifer Nocturne, who is not in her right mind, teams up with the evil Captain Nemesis.
Dr. Animo returns with an army of dragon-like mutants, while Ben has his own problems with his new transformation, Juryrigg.
Dr. Animo returns with an army of dragon-like mutants, while Ben has his own problems with his new transformation, Juryrigg.
Albedo tries to reclaim the Ultimatrix from Ben by transporting him into one of his own worst nightmares.
Albedo tries to reclaim the Ultimatrix from Ben by transporting him into one of his own worst nightmares.
The Flame Keepers' Circle try to release Dagon from his dimension, but Vilgax is released instead.
The Flame Keepers' Circle try to release Dagon from his dimension, but Vilgax is released instead.
Dagon breaks out of the seal and turns all humans into Flame Keepers' Circle soldiers.
Dagon breaks out of the seal and turns all humans into Flame Keepers' Circle soldiers.
Vilgax betrays Dagon so that he can absorb all of his power to destroy his one true enemy: Ben Tennyson.
Vilgax betrays Dagon so that he can absorb all of his power to destroy his one true enemy: Ben Tennyson.
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