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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.
First Air Date : Oct 16, 2001
Last Air date : May 13, 2011
Episode : 216 Episode
Season : 10 Season
Runtime: 43:14 minutes
Country: United States of America
