Situation comedy

A situation comedy, usually referred to as a sitcom, is a genre of comedy programs which originated in radio. Today, sitcoms are found almost exclusively on television as one of its dominant narrative forms. Sitcoms usually consist of recurring characters in a common environment such as a home or workplace. The essence of the situation comedy is that the characters remain in the same situation from episode to episode. The situation is usually that of a family, workplace, or a group of friends. The term was adopted to distinguish the sitcom from other comedy formats: sketch comedy, which generally featured new characters and situations each outing, or the humorous monologue or dialogue, which did not feature characters. Often these other formats were presented within a variety format mixed with musical performances, as in Vaudeville. The emerging mass medium of radio allowed audiences to return to programs over and over, which allowed programs to return to the same characters and... full article at wikipedia