Ken 10: Original Series

Ken 10: Original Series is the first series of the Ken 10 franchise.

Plot
In the near future, Ben Tennyson, wielder of the omnitrix, has a son by the name of Kenneth Tennyson, or Ken for short. For his 10th birthday, Ben gave his son Ken another omnitrix with all 10 of his starting aliens for him and Ben to fight alongside each other and stop bad guys. But when something goes terribly wrong and Ben must leave Earth for a dire mission, Ken and his cousin Ellen have to face off bad guys and crime on their own.