Sitcoms in the United States

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Situation comedies, or sitcoms, have long been a popular genre of comedy in the US, initially on radio in the 1920s, and then on television beginning in the 1940s. A sitcom is defined as a television series featuring a recurring cast of characters in various successive comedic situations.^[1]

The first sitcom was the radio show Sam 'n' Henry, which had evolved into Amos 'n' Andy by 1928. Mary Kay and Johnny, the first American TV sitcom, premiered in 1947, and by the 1950s, I Love Lucy was leading TV viewership. Since that time, sitcoms such as The Beverly Hillbillies, Bewitched, All in the Family, Cheers, The Cosby Show, Seinfeld, and Friends have each been the highest annual rated TV series in the US for at least one season.