The Mary Tyler Moore Show mirror those of "The Mary Tyler Moore Show". When the writers of the sitcom "Friends" were about to create their series finale, they watched several other sitcom finales. Co-creator Marta Kauffman said that the last episode of "The Mary Tyler Moore Show" was the "gold standard" and that it influenced the finale of "Friends". The show spun off three television series, all of which aired on CBS: the sitcoms "Rhoda" (1974–78) and "Phyllis" (1975–77), and the one-hour drama "Lou Grant" (1977–82). In 2000, Moore and Harper reprised their roles in a two-hour ABC TV-movie, "Mary and Rhoda". Two retrospective specials
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