Pranks TV! (1988) is a video directed by Leslie Asako Gladsjø.
The video features 6 interviews which also appear transcribed in the book Pranks! by RE/search publications.
The book, which I highly recommend, contains 37 interviews with "artists, musicians, writers and unclassifiable individuals who work in a mischievous manner; the editors attempt to venerate, with marginal success, the notion of the prank by placing it in artistic and socially conscious contexts. — Read the rest