Ben 10 (retroactively known as Ben 10 Classic) is an American animated series. It is about a 10-year-old boy named Ben Tennyson who gets an alien device called the "Omnitrix" Attached to his wrist, it allows him to transform into 10 different alien creatures with different abilities. The series first aired on Cartoon Network as a sneak peek on December 27, 2005, as part of "Sneak Peek Peek Week"
The series centers on Ben Tennyson (Tara Strong), a ten-year-old boy on a cross-country summer vacation. Ben finds an alien pod with a mysterious watch-style device named the Omnitrix. The device then permanently attaches itself to his wrist giving him the ability to transform into a variety of alien life-forms.