David Letterman and Johnny Carson, August 31, 1989
15:11
David Letterman on The Tonight Show Starring Johnny Carson
47:20
Bob Newhart & Don Rickles on Donahue, November 13, 1989
15:14
David Letterman on The Tonight Show Starring Johnny Carson, December 30, 1983, re-up
38:26
Norm Macdonald Collection on Letterman, Part 1 of 5: The Early Years, 1990-95
49:10
Four Smothers Brothers Appearances on The Tonight Show, 1982-1989
7:20
Tribute to Johnny Carson by David Letterman at the 2005 Emmy Awards
22:09
Top 20 Funniest SNL Breaking Character Moments
1:00:11