Scooby-Doo four like a normal dog as he did previously. Fred, Daphne, and Velma were dropped from the series, and the new "Scooby-Doo and Scrappy-Doo" format now consisted of three seven-minute comedic adventures starring Scooby, Scrappy, and Shaggy instead of one half-hour mystery. Most of the supernatural villains in the seven-minute "Scooby and Scrappy" cartoons, who in previous "Scooby" series had been revealed to be human criminals in costume, were now real within the context of the series. This version of "Scooby-Doo and Scrappy-Doo" first aired from 1980 to 1982 as part of "The Richie Rich/Scooby-Doo Show", an hour-long program also
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