The Price is Right: Surprise Guests (1975)

The Tomorrow Show with Tom Snyder with guest Divine (1979)

The Tonight Show with Johnny Carson with guests Buddy Hackett and Brian GIllis (1987)

Hollywood Connection with guests Milton Berle, Zsa Zsa Gabor, Abe Vigoda and Nipsey Russell (1977)

Home with Arlene Francis (1957)

Dr. Kildare with special guest star Kevin McCarthy (1963)

You Bet Your Life Blooper Reel (1950s) - Footage Offline - 09/12/09

The Tonight Show with Johnny Carson with guest Burt Mustin (1974)

Part one and Part two of this episode are here and here.

The Ed Sullivan Show with guests The Peanuts (1966)

Baby Fred Willard (1968)

The Ed Sullivan Show with guests Chet Atkins, Boots Randolph and Floyd Cramer (1969) - Footage Offline - 6/01/09

The Ed Sullivan Show with guest Sammy Davis Jr (1965) - Footage Offline 6/01/09

TV Guide Cartoon (1960)

The Bob Newhart Show (1962)

Two different examples from Bob Newhart's ill-fated first show.

The Brady Bunch - Pilot (1969)

Blondie Preview (1968)

The Tonight Show with Johnny Carson with guest Carol Wayne (1974)

The Courtship of Eddie's Father (1970)

Dance Fever with celebrity judge Frank Zappa (1979) - Footage Offline - 6/01/09

Dinah! with guests Jan and Dean, Peaches & Herb and Frank Zappa (1979)

The Donna Reed Show with special guest star Dennis the Menace (1960)

One of the earliest sitcom crossovers.

The Tonight Show with Johnny Carson with guest Doris Day (1974)

Classic Television Showbiz's Late Late Show: Charlie Chan's Dark Alibi (1946)

What's My Line (1970)

Sports Challenge with celebrity guests Stan Mikita and Bobby and Dennis Hull (1972)