The CW Network has released a new TV spot for the series finale of Smallville, which will close out the show's 10-year run with a two-hour episode on Friday, May 13. Click on the video player below for your first glimpse at Michael Rosenbaum's return as Lex Luthor in Smallville: Finale

The story of Clark Kent (Tom Welling) culminates in this epic two-hour series finale as Clark takes the last step to becoming the Man of Steel. With surprise guest appearances, nods to the first few seasons of the series and Michael Rosenbaum's return as Lex Luthor, this final episode wraps up a decade-long story following one's man's journey to becoming the world's greatest superhero.

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