Scooby-Doo works, including television specials and made-for-TV movies, a line of direct-to-video films, and two Warner Bros.–produced theatrical feature films. Some versions of "Scooby-Doo" feature different variations on the show's supernatural theme, and include characters such as Scooby's cousin Scooby-Dum and nephew Scrappy-Doo in addition to or instead of some of the original characters. "Scooby-Doo" was originally broadcast on CBS from 1969 to 1975, when it moved to ABC. ABC aired the show until canceling it in 1986, and presented a spin-off featuring the characters as children, "A Pup Named Scooby-Doo", from 1988 until 1991. New "Scooby-Doo" series aired as part
Scooby-Doo in 1973. Pat Stevens took over her role as the voice of Velma. For the 1977–78 season, "The Scooby-Doo/Dynomutt Show" became the two-hour programming block "Scooby's All-Star Laff-A-Lympics" (1977–78) with the addition of "Laff-a-Lympics" and "Captain Caveman and the Teen Angels". In addition to eight new episodes of "Scooby-Doo" and reruns of the 1969 show, Scooby-Doo also appeared during the "All-Star" block's "Laff-a-Lympics" series, which featured 45 Hanna-Barbera characters competing in "Battle of the Network Stars"-esque parodies of Olympic sporting events. Scooby was seen as the team captain of the "Laff-a-Lympics" "Scooby Doobies" team, which also featured Shaggy and Scooby-Dum