It's another exciting season as an alien doppelganger impersonates Ben and tries to destroy him with the Omintrix. Then Ben and the crew must rescue the shape-shifting, dog-like alien from the Forever Knights. And in a thrilling two-part finale, Ben must recruit the other Plumber's kids to help stop the Highbreed invasion of Earth.
It's hero time again for Ben as he saves the Earth from Vilgax's power. This season, Ben, Gwen and Kevin go head-to-head with repo men, bounty hunters and a charming long, lost villain. Ben winds up lending a hand to a popcorn-munching alien and Julie (literally!). If Ben can keep the Omnitrix under control, he might stand a chance at saving Grandpa Max once and for all.
An ancient artifact robs Kevin of his powers, rendering him helpless when Gwen and Ben find themselves in terrible peril. A curious alien box spells trouble for the town of Bellwood. And Gwen travels back in time to right a terrible wrong. It's Season 4 of BEN 10 ALIEN FORCE! And the shocking showdown between Ben and Vilgax will bring this Season to the most dramatic conclusion ever!
Watch Ben 10: Alien Force on Cartoon Network!
Watch more Ben 10: Alien Force on Cartoon Network!
Watch More Ben 10: Alien Force on Cartoon Network!
CLIP - The Plumbers get a distress signal from Grandpa Max. Watch More Ben 10: Alien Force on Cartoon Network!
CLIP - Vilgax has other plans for the Omnitrix, and an entire army of Humungousaurs to back him up! Watch More Ben 10: Alien Force on Cartoon Network!
CLIP - Kevin confronts Ragnarok and learns he's too much to handle alone. Watch More Ben 10: Alien Force on Cartoon Network!