Watch 72-Minute Teaser Trailer for the Longest Movie Ever Made Caleb Hamilton, July 9, 2014July 9, 2014 In 2020, Swedish artist Anders Weberg will release his last movie…ever. Weberg has made over 300 films and his final picture may very well be the longest movie ever made. Ambiancé will run for 720 hours – yes, for 1 month. Today, the teaser trailer was released, but it’s much…