High Quality Content by WIKIPEDIA articles! The following is a list of episodes of the 2009–2010 American sci-fi television series FlashForward, based on the 1999 novel Flashforward by science fiction writer Robert J. Sawyer. A total of 22 episodes were aired on ABC between September 24, 2009 and May 27, 2010 at 8:00 pm. The show was canceled on May 14, 2010 by ABC due to low ratings.