200 Motels
Starring Frank Zappa, Mark Volman, Howard Kaylan, Ian Underwood, Aynsley Dunbar, George Duke, Theodore Bikel, Keith Moon, Ringo Starr, Janet Neville-Ferguson
It's a documentary and fantasy movie, and has a rating of 5.6 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Belgium.