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 episode where Scooby-Doo's parents show up and reveal his real name to be "Scoobert". At the same time, the series returned to its original formula in that the group unmasked human villains in costume, as opposed to the supernatural monsters of the early to mid-1980s. The series also established "Coolsville" as the name of the gang's hometown; this setting was retained for several of the later "Scooby" productions. The retooled show was a success, remaining in production for four seasons and on ABC's lineup until 1991. "A Pup Named Scooby-Doo" was developed and produced by Tom Ruegger, who had been