Erica Durance and Tom Welling

In the Season 9 finale of Smallville (Friday, May 14 at 8/7c on the CW), Clark Kent (Tom Welling) has to deal with a lot more than the Kandorians' plans for world domination. Just as Clark reveals to Lois (Erica Durance) that he needs her, she decides to ditch town.

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Will he sacrifice his identity to keep her in Smallville? Check out this exclusive clip from Friday's season finale to find out where Lois is headed: