If you could travel back in time and undo a horrible childhood, would you? This thriller poses that complex question when a young man named Evan Treborn (Ashton Kutcher), who's besieged by tragic memories, discovers a way to alter his past. But should he? And will it make a difference? Amy Smart, Kevin Schmidt and Eric Stoltz co-star. (Please note: This is a one-sided disc that includes the director's cut of the film, plus bonus features.)