Ben Tennyson is now 15 and becoming a leader wearing his powerful Omnitrix again. Grandpa Max is missing and Ben needs the help of Gwen and Kevin to find him. Ben has 10 new aliens -- including Swampfire, Goop and Jetray -- to fight against Highbreed and stop him from making humans extinct and destroying Earth.
Ben Tennyson is now 15 and becoming a leader wearing his powerful Omnitrix again. Grandpa Max is missing and Ben needs the help of Gwen and Kevin to find him. Ben has 10 new aliens -- including Swampfire, Goop and Jetray -- to fight against Highbreed and stop him from making humans extinct and destroying Earth.
Yuri Lowenthalas Ben Tennyson
Ashley Johnsonas Gwen Tennyson
Greg Cipesas Kevin Levin
Paul Eidingas Grandpa Max
