Ben defeats an alien who was rampaging through Bellwood. The alien, named Galapagus, chronicles how he was kidnapped from his home world by Aggregor. He explains how he met four other aliens (Bivalvan, P’andor, Andreas, and Ra’ad), and they escaped him to end up crash landing on Earth. Ben mentions how they already found Bivalvan, […]

Ben’s secret identity is revealed to the entire world, and he is now a superhero loved everywhere by kids and teenagers, but distrusted by many adults. Kevin and Gwen find out who revealed Ben’s secret and where he lives, and the three go to “pay him a visit”. The informant turns out to be a […]

Zarcovia’s soldiers has found the frozen body of Dr. Viktor. Prince Gyula and King Xarion want to see this weapon. Gyula wants to control Dr. Viktor to use him against rebels in their civil war, but Xarion tells him not to. King Xarion asks for help from Ben, Gwen, and Kevin and explains what Gyula […]

Ben, Gwen, and Kevin are summoned to Plumbers Academy to go under training. They create a good friendship with an alien named Tack and Ben dislikes the drill instructor, Magister Hulca, that is being targeted for revenge by a menacing Tetramand.

Ma Vreedle plans to spawn an army of Pretty Boy Vreedle clones, which could dry up Earth’s oceans.

Jimmy Jones sees a meteor falling in a cave, where an alien plant attacks him. He tells Ben and his team about it, but only Ben believes him. They go in the cave but the plant isn’t there. The next day, Jimmy sees Ben going into the cave and talking to the plant. He takes […]

An evil creature known as Lucubra released from another dimension has plans to enslave the human race for its master. The Forever Knights intend to annihilate the creature at all costs and refuse Ben’s aid. Fortunately, Gwen ultimately succeeds in utilizing her increasingly strong magic to send it back from whence it came.

The Forever Knights discuss their plan for the weapon and Ben and the team come in to fight with Cash, J.T., and Oliver filming the scene. Kevin gets angry with them not helping and Psyphon comes in to destroy Cash and J.T., believing them to be the masterminds behind Ben Tennyson.

Following a visit from Paradox after a fight with Eon, Ben 10,000 from an alternate future arrives twenty years from the future to seek the aid of his past counterpart in tracking down Eon. It is revealed that Eon is actually an adult Ben from an alternate world, and that he wants to destroy all […]

Techadon Weapon Master Number 13 arrives on Earth and demands to have the Ultimatrix. A malfunction grants Gwen and Kevin the forms and unique abilities of some of Ben’s aliens.