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 on a distant planet while stealing gems, Ben, Julie and the crew set out to save him.

The evil Dr. Viktor returns!

When a mysterious meteor shower leaves behind an evil alien plant species, Ben 10 super-fan Jimmy steps up to save the day.

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

When Julie is kidnapped, Ben blames Elena, who swears she had nothing to do with it. But the nanochips in her lab point to the truth.

Eon is back, and it's up to an older and wiser Ben from the future to help the crew defeat him, using the Hands of Armageddon to win the battle.

The Forever Knights accidentally unleash an evil force! And at a Bellwood retirement home, a retired Forever Knight suddenly gets a very bad feeling.

Ben and the crew are forced to go through basic training at the Plumber's Academy. And you can just imagine how well that goes.

You think it's easy being Gwen? Well, you'll have second thoughts after you check out a typical day in the not-so-typical life of Gwen Tennyson.

When old George enters Area 51 and makes the entire base disappear, Ben and the crew learn that a mysterious Prisoner 775 may be behind it all.

Grandpa Max reveals the story of how he met Verdona and how he eventually was recruited to become a Plumber.

An evil Highbreed queen takes over the Arachnachimp's home planet by attaching herself to a crime lord named Mizaru.

A mysterious object crashes in the center of Bellwood, unleashing Techadon robots with one thing on their mind, destroying Ben!

The Forever Knights factions have been united into one, and an all-out war against the aliens on Earth erupts.

Albedo, aka Negative Ben, returns as the star of a big stage production about Ben Tennyson's life. Sure he needs the money, but what is he really up to?

When Ben finds himself in an intense battle against Ssserpent, Julie steps in and helps him defeat the slimy brute.

Ben is suddenly NOT Ben, and it's an all-out revolt as the aliens inside Ben's Ultimatrix demand their freedom.

After a giant garbage-like creature appears and drags a boat down into the ocean, Ben and the crew investigate the Pacific Garbage Vortex.

Ma Vreedle returns to Earth with a cloning machine and a plan to unleash 300 billion Pretty Boy Vreedles on the planet.

Vilgax gets a hold of Old George's sword, and tries to gain Dagon's power. Big mistake! And Ben discovers two new alien heroes: Fasttrack and Eatle.

Azmuth reveals how old George first got the sword and defeated Dagon, and the crew travels to the Middle Ages to learn the truth.

A fanatical group of whackos has taken to worshiping Vilgax, of all people or aliens! And guess who has joined them -- Julie!

A mysterious Techadon Master visits Earth, looking for the Ultimatrix. And he turns out to be more dangerous than any Techadon ever imagined.