Carl Reiner and Mel Brooks introduced by Johnny Carson

Not sure what television program this appeared on, but the LP Carson holds up at the start of the clip was released in 1961.

Kraft Music Hall: The Woody Allen Show (1969)

This sought after special was part of the weekly Kraft Music Hall that by this point had changed its format drastically from the way it was during the infancy of television and in radio.

The Dick Cavett Show with guest Shirley Maclaine (1971)

Password Plus with celebrity contestant David Letterman (1978)

The Phil Donahue Show with guest Phil Hartman (1987)

Phil Hartman does a brilliant impression of Donahue right in front of the man... and the square audience laughs in all the wrong places.