Watch Smallville: Season 10, Episode 19



Smallville

"Dominion"

Tess determines that a Phantom Zone prisoner has learned of the way to escape, and Clark resolves to investigate by going there. Oliver tricks Clark into taking him along, and they discover that the Zoners have a new leader: Zod. Meanwhile, Lois learns that Tess is aware of one of Clark's secrets and chose not to confide in her.