April 30 - After an eight year run the last episode of The Cosby Show airs. One of the show's time-slot rivals, Fox's The Simpsons, pays tribute to it with a brief animated segment.
May 22 - After 30 years, 66 year old Johnny Carson hosts The Tonight Show for the last time. David Letterman, who had been promised The Tonight Show by NBC upon Carson's retirement years earlier, leaves for CBS when the network gives the show to frequent guest host Jay Leno.
November 18- NBC's Seinfeld airs its most infamous episode, "The Contest", in which the four friends agree to abstain from all sexually related activity and see who could go without "it" the longest. It is never said who won the contest, however it is assumed to be a tie between Jerry Seinfeld's character and Jason Alexander's character.
Only Fools and Horses (UK) (1981-1983, 1985-1993, 1996-1997, 2001-2003) (the only episode aired this year was the Christmas special Mother Nature's Son).