World War Scooby Doo (1971)

After solving a mystery, the gang accidently got sent back into World War II, and Daphne and Velma are kidnapped for flashed-tranformed into soldiers (Daphne with button on her back, to control a robotic man, and Velma as an informant), and Scooby, Shaggy and Fred have to save the girls and stop the mastermind behind this.

Premiered
July 10, 1971 on CBS.

Characters

 * Scooby-Doo (Don Messick)
 * Shaggy Rogers (Casey Kasem)
 * Fred Jones (Frank Welker)
 * Daphne Blake (Heather North)
 * Velma Dinkley (Nicole Jaffe)
 * Demon Nazi (Don Francks) - the main antagonist, flash-transformed Daphne and Velma into soldiers
 * Mrs. Constantine (Virginia Gregg)
 * Sheriff (Bob Holt)
 * Private Sergant (Allan Melvin)
 * Soldiers (Micky Dolenz, Paul Winchell, Alan Oppenheimer, John Stephenson)

Plot
???