What is the most watched television show in the history of the United States, excluding sports?

Goodbye, Farewell and Amen is the 256th and final episode of the American television series M*A*S*H.

The series told the story of the group of doctors and support staff stationed at the "4077th Mobile Army Surgical Hospital". The action took place during the Korean War. Being extremely popular during all the eleven seasons, the series still remains one of the highest-rated and best-known TV shows in the history of American television.

This can be interesting: The last episode first aired on CBS on the 28 of February, 1983. It showed the last days of the war and the separation of the main characters. The plot of the episode included different storylines, revealing the consequences of the war and its effects on one's personality.