Lex and Oliver Queen return to their old prep school for a reunion, but Oliver's old friends (and Lex's old enemies) start dying in mysterious accidents. Meanwhile, Clark learns that someone... or something may have left the Phantom Zone with him.
Quest roles:
Justin Hartley(Oliver Queen), Rekha Sharma(Dr. Harden), Lucas Grabeel(Young Lex Luthor), Reece Thompson(Young Geoffrey), Devin Douglas Drewitz(Young Alden), Sebastian Gacki(Delivery Boy)