Ben 10 Season 1 (2005)

And Then There Were 10

Average kid, ten year old Ben Tennyson, his Grandpa Max and his cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch like object that has been jettisoned from alien spacecraft high above the Earth.

Washington B.C.

Ben must fight Dr. Animo, a crazed scientist who has a DNA-altering device.

The Krakken