Ben 10: Secret of the Omnitrix
With the omnitrix, Ben notices something strange is happening after a battle in a power plant, but does not tell anyone. Tetrax arrives, also tells the omnitrix to them. Tetrax and Ben go to find the inventor of the omnitrix to resolve the omnitrix until it destroys itself as well as the universe along with it. Gwen stows away to help her cousin.
Released: 2007-08-10