Longest movie ever made. On Dec. 31, 2020, Swedish artist and filmmaker Anders Weberg will release his “Ambiancé,” a 720-hour movie that will take the title of the longest movie ever made. If you can take a month off to watch it, you will find that “space and time is intertwined into a surreal dream-like journey beyond places,” Weberg writes. But you don’t have to wait until 2020 for the pleasure. Weberg is rolling out three trailers over the next several years. The “short teaser” is 72 minutes long (watch it here). Next up is a “short trailer” that’s 7 hours and 20 minutes long in 2016. And the final, “longer trailer” will appear in 2018 and run — you guessed it — 72 hours. Then, in 2020, the final cut will “be shown in its full length on a single occasion synchronised in all the continents of the world and then destroyed.” Phew.