All | Ben 10 Alien Force Episodes

A pet store is secretly selling mutated creatures to DNAlien infiltrators. Ben adopts a bizarre alien pet named Ship (a baby of the species that becomes the Omnitrix’s alien Upgrade). Key moment: Ship becomes a beloved mascot.

: Ben frees Ghostfreak from Vilgax's prison to save Vilgaxia. Trade-Off! : Kevin and Darkstar team up to regain their human forms. all ben 10 alien force episodes

A scientist kidnaps Ship, forcing Ben and Julie to mount a rescue mission. A pet store is secretly selling mutated creatures

Introduction of Professor Paradox, a time-traveling genius. : Ben frees Ghostfreak from Vilgax's prison to save Vilgaxia

The story begins five years after Ben Tennyson last wore the Omnitrix. He is no longer the ten-year-old hero; he is a mature, athletic teenager who has put his childhood adventures behind him. But peace is shattered when his grandpa, Max Tennyson, goes missing. Investigating his RV, Ben finds a holographic message: Max has been fighting a dangerous new threat, and he needs Ben to step up.

: Ben meets Mike Morningstar, a "bio-energy vampire" seeking Plumber kids.