Ben Tennyson was an average ten-year-old kid on an uneventful summer road trip with his Grandpa Max and Cousin Gwen. That is, till he discovered a strange alien wristwatch called the omnitrix buried in a crashed meteorite. Now Ben can transform into any of 10 alien heroes. And Ben is going to need all the powers he can get if he is going to save the world - from Vilgax. Episodes include: And Then There Were Ten - Ben Tennyson's summer adventure takes an odd turn when he discovers a watch-like-object - the omnitrix. When the prototype attaches itself to Ben's wrist, he discovers that it allows him to become any one of ten aliens. Washington B.C. - Ben and his alien hero personas must battle Dr. Animo, a crazed mad scientist. Animo is armed with the DNA altering transmorpher device, which he uses to reanimate dinosaurs that run rampant in Washington D.C. The Krakken - At a lakefront campsite, Ben has a chance encounter with a sea monster known as the Krakken. Ben discovers the true threat, the evil poacher Jonas and his high-tech goons, who are stirring up the Krakken by trying to steal its eggs. Permanent Retirement - Ben, Grandpa Max and Gwen are in the fight of their lives to save their elderly aunt whose retirement community has been overtaken by shape-shifting aliens called Limax. Hunted - Ben is hunted by three alien bounty hunters - hired by Vilgax to procure the prototype watch. Tourist Trap - When Ben can't resist messing with the World's Large Rubber Band Ball, he accidentally releases Megawhatts - mischievous and destructive creatures made of electricity. Kevin 11 - While visiting the Big Apple, Ben makes friends with Kevin, a mutant by absorbing any form of energy. But soon Ben is forced to realize the cold fact that Kevin is only after the omnitrix. The Alliance - As Four Arms, Ben is working to thwart an armored truck robbery by a female gang leader named Joey. As it turns out, Joey is in cahoots with Vilgax. The Last Laugh - Ben's fear of clowns emerges as he stumbles upon ringmaster named Zombozo. And when Zombozo captures Gwen, Ben must overcome his fears to save her. Lucky Girl - Ben battles Hex, an evil sorcerer whose power emanates from several mystic charms. When Gwen gets her hands on one of the charms, she discovers it gives her luck. So she decides to become Lucky Girl. A Small Problem - When Ben isn't tall enough to ride an attraction at a water park, he decides to go alien. The omnitrix causes him to become stuck as Grey Matter. And he ends up getting kidnapped by a sci-fi geek named Howell. Side Effects - When Ben catches a cold, changes come in his alien personas. To make matters even more difficult, Ben must stop a creature made from a colony of cockroaches. Secrets - Vilgax decides to procure the omnitrix himself. He arrives on Earth in his massive Spaceship and begins his search. In the meantime, Max's mysterious past begins to come to light, coming to a showdown between Vilgax Tennyson family. Episode commentary, Creator drawing lessons, Sneak peek of what's to come. .