Ben 10 S2E22 · That’s the Stuff

Ben 10

Season 2 · Episode 22 · That’s the Stuff · 11 min

A mysterious alien substance copies Ben's appearance and powers while Ben is visiting a space museum, and quickly assumes the shape of other people, leaving the Tennysons to find a way to reveal who is actually the mysterious substance. Note: This episode is a parody of The Thing.