The choice of Kenneth Anger's 1963 homoerotic biker film "Scorpio Rising" marks the new gay sensibility then slowly emerging in the art world, while a goofy 1969 film by Ger Van Elk, in which a bodiless hand gives a haircut to a cactus, notes the ties between Dada and Pop.
WSJ: A Dissonant Side of Pop | Dark and Deadpan: Pop in TV and the Movies | Whitney Museum | By Richard B. Woodward