Swimming to Cambodia[0] because it was both highly insightful and stylistically unique - it’s a monologue by a single person(Spalding Gray [1]) and Lauri Anderson’s excellent soundtrack adds just enough you visualize much of what he describes. At least I did but that might have been the LSD.

Rest in piece Spalding Gray.

[0] https://en.m.wikipedia.org/wiki/Swimming_to_Cambodia [1] https://en.m.wikipedia.org/wiki/Spalding_Gray