Poll: The Most-Watched TV Episodes in History

Carroll O'Connor and Jean Stapleton in All in the Family (1971)

#20 - All in the Family (1971), Edith's Problem 25.2 million viewers Edith's irritability as of late may be a sign of her going through menopause. Archie is frustrated when he finds out she can't possibly have her "change of life" in 30 seconds.

David Janssen in The Fugitive (1963)

#19 - The Fugitive (1963), The Judgment: Part II (the series finale) 25.7 million viewers Lt. Gerard agrees to work with Kimble for 24 hours to prove his innocence, because someone who may have been there when his wife was killed, posted bail for the one-armed man.

Roots (1977)

Roots (1977), Part 1 (#18), Part 2 (#15), Part 3 (#14), Part 4 (#16), Part 5 (#13), Part 6 (#12), Part 7 (#17), Part 8 (#5) (the series finale) Ranging from 28.8 million to 36.38 million viewers A dramatization of author Alex Haley's family line from ancestor Kunta Kinte's enslavement to his descendants' liberation.

Robert Mitchum, Jan-Michael Vincent, David Dukes, and Ali MacGraw in The Winds of War (1983)

The Winds of War (1983), The Storm Breaks (#11), Into the Maelstrom (#10) (the series finale) 33.49 million and 34.15 million viewers The trials of the Henry and Jastrow families in the early years of World War II.

Richard Chamberlain and Rachel Ward in The Thorn Birds (1983)

The Thorn Birds (1983), Part 2 (#9), Part 4 (#8) (the series finale) 35.4 million and 35.9 million viewers This mini series covers 60 years in the lives of the Cleary family, brought from New Zealand to Australia to run their aunt Mary Carson's ranch. The story centers on their daughter, Meggie, and her love for the family's priest, Father Ralph de Bricassart.

Bill Cosby, Sinbad, and Malcolm-Jamal Warner in The Cosby Show (1984)

#6 - The Cosby Show (1984), Say Hello to a Good Buy 36.1 million viewers Cliff buys a new car, but must contend with a tough salesman. Meanwhile, Rudy creates a collage of animals by cutting pictures out of Cliff's encyclopedias.

Julia Louis-Dreyfus, Jerry Seinfeld, Jason Alexander, and Michael Richards in Seinfeld (1989)

#4 - Seinfeld (1989), The Finale (the series finale) 40.5 million viewers After George and Jerry land a production deal with NBC, the four head out for Paris on NBC's private plane and are waylaid in a small Massachusetts town.

Linda Gray in Dallas (1978)

#3 - Dallas (1978), Who Done It? 41.47 million viewers Sue Ellen is charged with attempted murder, but the charges are dropped when the real assailant reveals herself and her shocking secret.

Kelsey Grammer, John Ratzenberger, and George Wendt in One for the Road (1993)

#2 - Cheers (1982), One for the Road (the series finale) 42.36 million viewers Woody embarks on his new life as City Councilman. Norm embarks on his new life as civil servant as Woody pulled some strings to get him an accounting job at City Hall. And Rebecca and Sam embark on their new relationships... possibly.

Alan Alda, David Ogden Stiers, Mike Farrell, Harry Morgan, and Loretta Swit in M*A*S*H (1972)

#1 - M*A*S*H (1972), Goodbye, Farewell, and Amen (the series finale) 50.15 million viewers In the closing days of the Korean War, the staff of the 4077 M*A*S*H Unit find themselves facing irrevocable changes in their lives.