Ben 10

Season 4, Episode 5

Episode Title: Secret of the Omnitrix (1)

Air Date: 2007-08-04

Overview:

During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and Tetrax travel across space to track down the Omnitrix's creator, Azmuth.