Mary Tyler Moore pivotal one-hour musical special called "Dick Van Dyke and the Other Woman", Moore and husband Grant Tinker successfully pitched a sitcom centered on Moore to CBS. "The Mary Tyler Moore Show" is a half-hour newsroom sitcom featuring Ed Asner as her gruff boss Lou Grant. Moore's show proved so popular that three other regular characters, Valerie Harper as Rhoda Morgenstern, Cloris Leachman as Phyllis Lindstrom and Ed Asner as Lou Grant were also spun off into their own series. The premise of the single working woman's life, alternating during the program between work and home, became a television staple. After
Play for Today (1971), "The Foxtrot" (1971), "Home" (1972), "Bar Mitzvah Boy" (1976), "Abigail's Party" (1977), "Blue Remembered Hills" (1979) and "Just a Boys' Game" (1979). Certain other well known plays, including "Penda's Fen" (1974), "Nuts in May" (1976), were commissioned by David Rose of the BBC's English Regions Drama department based in Birmingham. Some installments in the series were spun off into full-blown series. Probably the two best-remembered examples of this are "", which was produced as a one-off in the "Play for Today" strand in 1975 and three years later became a series for Thames Television, again with Leo McKern, and