Good news all Smallville fanatics, there was only hours remain until a Smallville Season 10 Episode 21 hit our tv screen. The Smallville Season 10 Episode 21 also known as the Finale of entire series was schedule to air this Friday, May 13, 2011 at 2:00am - 3:00am only at The CW.

Smallville Season 10 Episode 21 Finale Synopsis. 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.