Scooby-Doo and the Return of Anthos the Warlock! (1979)

When the gang are at a visit at a mansion with Harlem Globetrotters, Fat Albert and the Cosby Kids, and Blue Falcon and Dynomutt, Anthos the Warlock has returned, and has transformed the Harlem Globetrotters into one black pixie, and Velma into an aged skeleton, and now Scooby, Shaggy, Blue Falcon, Dynomutt, Fat Albert and the Cosby Kids have to put an end to Anthos.

Premiered
1979

Characters

 * Scooby-Doo (Don Messick)
 * Shaggy Rogers (Casey Kasam)
 * Fred Jones (Frank Welker)
 * Daphne Blake (Heather North)
 * Velma Dinkley (Pat Stevens)
 * Radley Crowne/Blue Falcon (Gary Owens)
 * Dynomutt (Frank Welker)
 * Fat Albert Jackson (Bill Cosby)
 * Mushmouth (Bill Cosby)
 * Dumb Donald (Lou Scheimer)
 * Bill Cosby (Bill Cosby)
 * Russell Cosby (Jan Crawford)
 * Weird Harold (Gerald Edwards)
 * Rudy Davis (Eric Suter)
 * Bucky (Jan Crawford)
 * Anthos the Warlock (Vic Perrin) - the main antagonist

Plot
???