Ben 10: Alien Force Season 1

It's been 5 years since Ben Tennyson last wore the Omnitrix.  But when his grandfather goes missing, Ben decides that it's hero time once again. 

Armed with Ben's new range of Omnitrix aliens, Gwen's honed magic powers and Kevin Levin's transformative abilities, the team sets out on their quest to find Grandpa Max - and stop a secret evil HighBreed invasion of earth.