Probably holds the record for having the longest period of "development hell" for any movie, at 79 years. Preproduction for a film version first started in 1931, when Robert Clampett (director of 'Looney Tunes') approached author Edgar ...more » John Carter (2012)

19 episodes were ordered for Season 2 but only 13 episodes were aired. ...more » Nikki (2000)

Jon Voight was attached to the project at one point, but dropped out. ...more » Ghost Rider (2007)