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.

Alison Araya, Bryce Hodgson, Clifton Murray, Devin Douglas Drewitz, Diego Bedoya, Lucas Grabeel, Reece Thompson, Ryan Overton, Sebastian Gacki