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, Where Are You! Roberts, and were performed by Roberts, who also made a new recording of the "Scooby Doo, Where Are You!" theme song for the second season. The series' theme song has been covered by several subsequent artists, including Matthew Sweet for the 1995 TV special and album ""; Third Eye Blind for the 1998 film "Scooby-Doo on Zombie Island"; Billy Ray Cyrus for "Scooby-Doo! and the Witch's Ghost" (1999); Jennifer Love Hewitt for "Scooby-Doo and the Alien Invaders" (2000); the B-52's (Cindy, Kate and Fred) for "Scooby-Doo and the Cyber Chase" (2001); MxPx for the live-action "Scooby-Doo" film (2002); and Krystal