May 13, 1994 –
Nearly two years to the day after his farewell, Johnny Carson made a surprise cameo on the Late Show With David Letterman, which turned out to be his last-ever TV appearance before his death in January 2005, on this date.
Just before Carson’s death in 2005, CBS executive Peter Lassally, who had produced both Letterman and Carson during his long career, revealed that Carson would occasionally send jokes directly to Letterman.<br /
The Haus of Dcaligari 