Ben Tennyson is back from summer vacation. He jumps at the chance to go to the Total Alien immersion training program, but total immersion means he can never turn human again. Stuck in his alien form Ben becomes the target of a new evil alien, engaging in a deadly cross-world battle where nothing is as it seems.

Ben and his family are enjoying their European vacation ... until evil magician Hex unleashes the power of four mysterious crystals! Only Ben 10 can break the curse-- so get ready to transform into powerful aliens to battle enemies, solve puzzles and freely explore an exciting 3D world. It's hero time! With Gwen and Grandpa Max on your side, all the humor and rivalry from the Cartoon Network show is here. And since four arms are better than two, Kevin...

Includes ten all-new action packed episodes from series' first season on two discs along with the Alien Reveals and Alien Database bonus features. With an all-new look at kids₂ favorite alien-changing star, including an all-new Omnitrix new aliens, a new partner and underground world filled with intergalactic life.

With the aid of a new Ultimatrix and strengthened superpowers, Ben, Gwen, and Kevin protect the world from alien villains.

Now that Ben's hit the big time, his fame brings new challenges. His old enemies track him down and threaten his family. He lands a starring role in a video game and has to deal with his new celebrity status. And speaking of celebrities, he crushes on a young movie actress at the same time that his childhood hero makes a comeback. I guess when you go Ultimate, so do your problems!