After appearing in minor roles on TV, Landon made his film debut in 1957’s I Was a Teenage Werewolf. He endeared himself to audiences as Little Joe in the western series Bonanza (1959-1973) and later as Charles Ingalls in the series based on Laura Ingalls Wilder’s Little House on the Prairie. He also sometimes wrote and directed episodes for the shows in which he acted, including Highway to Heaven. A prankster, Landon put what reptile in his mouth to get a laugh? Discuss