Extras
Cloris Leachman Talks Comedy
Clip: S4 | 1m 52s
Jimmie Walker on "Good Times"
Clip: S4 | 1m 18s
Dick Van Dyke's Knack for Physical Comedy
Clip: S4 | 1m 19s
Professor Cosby
Clip: S4 | 1m 14s
Margaret Cho on "All-American Girl"
Clip: S4 | 1m 16s
George Takei on being an Asian-American
Clip: S4 | 2m 48s
Diahann Carroll on "Julia"
Clip: S4 | 1m 20s
Bill Cosby Revives the Sitcom
Clip: S4 | 1m 13s
St.Elsewhere "Got it Right"
Clip: S4 | 1m 36s
Noah Wyle as Dr. John Carter
Clip: S4 | 1m 48s
Howie Mandel on "St. Elsewhere"
Clip: S4 | 1m 23s
George Clooney and his "Powerful Pen"
Clip: S4 | 1m 4s
Tim Allen's Transition to TV
Clip: S4 | 1m 26s
Tim Allen on his First "Tonight Show" Appearance
Clip: S4 | 2m 42s
Season Four Preview
Preview: S4 | 30s
Roseanne Barr, Working Class Feminist
Clip: S4 | 1m 53s
Jerry Seinfeld on "Getting Laughs"
Clip: S4 | 43s
Creating "Seinfeld"
Clip: S4 | 1m 27s
Bob Newhart on Listening Funny
Clip: S4 | 2m 1s
Jonathan Winters' Improvisational Comedy
Clip: S4 Ep4 | 1m 38s
Jimmie Walker on "Taking the Pie"
Clip: S4 Ep4 | 1m 48s
Breaking Barriers Preview
Preview: S4 Ep3 | 30s
Acting Funny Preview
Preview: S4 Ep4 | 30s
Doctors and Nurses Preview
Preview: S4 Ep2 | 30s