Comedian Andy Kaufman and wrestler Jerry Lawler had a feud going sometime in the 1980s. Looking back, it was obviously staged. However, that fact was not apparent at the time because DVRs and the Internet were not invented and VCRs had yet to become ubiquitous.
On July 29, 1982, Late Night with David Letterman gave the world the following incident. (Warning: The video is uncensored and Kaufman says some variation of f*** a lot.)