Ben 10: Omniverse - Season 4 (2013)

The Forever Knights threaten to use a sinister weapon to erase all alien DNA on Earth.

Ben, Gwen and Cousin Lucy try to find out how Psyphon's thugs are getting Plumber technology.

Kevin and Rook run into an old enemy from the Null Void while attending an intergalactic auto show. (Re-introducing classic Ben alien, Upgrade)

Albedo seeks a device that will finally change him back into his Galvan form. Meanwhile, Ben is locked in Plumber HQ prison.

Grandpa Max and Rook are looking for Ben, who's trapped on Khyber's hidden hunting preserve.

Ben, Rook and Grandpa Max must stop Ultimate Albedo from absorbing Azmuth's intelligence and taking over the galaxy.

Grandpa Max's old Plumber partner, Phil, seeks Max's help to tame the monster within.