Watch Masterworks of American Avant-garde Experimental Film 1920-1970 (2015) : Full Movie Online Free Commencing in 1920 with Charles Sheeler and Paul Strand's creative collaboration on Manhatta, successive generations of experimental filmmakers and artists have worked in collaboration or alone to create a cinema capable of expressing dynamic unspoken concepts in totally abstract visual terms. Flicker Alley and the Blackhawk Films® Collection in cooperation with Filmmakers Showcase are proud to present this premiere collection of 37 films created by some of the most acclaimed names of American Avant-garde experimental filmmaking.