Ben 10: Omniverse (2012)

S5E7 Charmed, I'm Sure

Stuck on the eerie monster planet Anur Transyl, Ben and Rook find themselves teaming up with the unpredictable Charmcaster to confront the formidable Zs'Skayr. Despite their reservations about working with her, they realize that joining forces might be their only chance of survival against the menacing threat.