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 among its members. "Scooby's All-Star Laff-a-Lympics" was retitled "Scooby's All Stars" for the 1978–79 season, reduced to 90 minutes when "Dynomutt" was spun off into its own half-hour and the 1969 reruns were dropped. "Scooby's All-Stars" continued broadcasting reruns of "Scooby-Doo" from 1976 and 1977, while new episodes of "Scooby-Doo" aired during a separate half-hour under the "Scooby-Doo, Where are You!" banner. After nine weeks, the separate "Where are You!" broadcast was cancelled, and the remainder of the 16 new 1978 episodes debuted during the "Scooby's All-Stars" block. The 40 total "Scooby-Doo" episodes produced from 1976 to 1978 were later