John F. Kennedy Jr. made a rare appearance on The Tonight Show with Jay Leno on May 14, 1998. The appearance was top secret, and in the opening credits of The Tonight Show, he was listed as "Mystery Guest" instead of using his name, so no one in the audience knew that JFK, Jr. was coming out to be interviewed by Jay until Jay announced his name. Jerry Seinfeld was also on the show, and it was the evening of the final airing of the sitcom "Seinfeld".