Smallville - Season 10 Episode 21 -

The story of Clark Kent 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 man’s journey to becoming the world’s greatest superhero.