Ben 10: Ultimate Alien

The team discovers a strange alien girl with no memory but Sunder has been hired to capture her!

Ship's former owner, Baz-L, has been captured and Ben, Julie, and co set out to save him.

The return of the evil Dr. Viktor!

Ben 10 super-fan, Jimmy, saves our heroes from an evil alien plant species.

Gwen's cousin, Sunny, pays a visit, but she's more than meets the eye!

The return of Elena and the nanochips from the “Alien Swarm” movie!

Ben and co are visited by Ben 10K who is tracking down the evil Eon! ( NEW ALIEN - Clockwork)

The Forever Knights accidentally unleash an evil force that threatens to enslave the human race!

Ben and co are forced to go through basic training at the Plumber's Academy.

A typical day in the not-so-typical life of Gwen Tennyson.

Max, Ben, Gwen and Kevin discover the hidden truth about Area 51. Introducing a brand NEW ALIENS, ChamAlien and Ult. Wildmutt.

Flashback story of how Grandpa Max met Verdona the Anodite.

An evil Highbreed queen takes over the Arachnachimp's home planet.

Vulkanus puts a hit out on Ben, using the deadly Techadon robots!

Old George, THE Forever Knight, re-ignites a war against all aliens on Earth!

Albedo, aka Negative Ben, resurfaces, and he's making money off of Ben's fame, but for what?

The nano-chips are back and have disguised themselves as Julie!

The ultimate aliens inside Ben's Ultimatrix demand their freedom!

Ben and the gang investigate the Pacific Garbage Vortex.

Ma Vreedle intends to spawn, using ALL of Earth's ocean water!

Vilgax gets Old George's sword, and tries to gain Dagon's power—big mistake! Introducing NEW ALIEN, Fasttrack.

Azmuth reveals how Old George first got the sword and defeated Dagon, and a whole lot more.

Julie joins a fanatical group who has discovered Vilgax and worships him!

A mysterious weaponmaster from Techadon visits Earth, and wants the Ultimatrix.

Gwen and co revisit Legerdomain in hopes of rescuing Charmcaster. Introducing NEW ALIEN, Eetle!