Charles B. Pierce with Eastwood, who liked the story and helped Pierce develop it into "Sudden Impact" (1983), the fourth entry in Eastwood's Dirty Harry film series. Pierce was given a writer's credit for the story along with Joseph C. Stinson. Pierce is said to have written the phrase, "Go ahead, make my day," the film's most famous line, which went on to be identified as one of the ten best movie quotes of all-time by the American Film Institute. The phrase was inspired by something his father once told Pierce in his youth while encouraging his son to mow the lawn: "When
Family Catchphrase was the same as Walker's series except the M square's prize was "a mystery prize" according to O'Connor. One episode of "Family Catchphrase" featured a guest appearance from Steven Radosh, creator of "Catchphrase". Another episode featured an appearance by the then unknown comedian Simon Amstell and his aunt as contestants. Amstell was only about 14 years old at the time. 100 episodes were transmitted on The Family Channel in 1994, including a Christmas special broadcast on Christmas Day 1993 and New Year's Day 1994. Family Catchphrase Family Catchphrase is a family game show broadcast on The Family Channel (now Challenge).