Quack of Ages

"Quack of Ages" is the 64th episode of Darkwing Duck, and the 64th episode to air on The Disney Afternoon.

Synopsis
To prevent the invention of the yo-yo, Quackerjack travels back to the medieval land of Canardia. Darkwing and Launchpad follow Quackerjack -- and find Herb and Binkie as King and Queen of Canardia. Posing as the king's advisor, the demented toymaker convicts Darkwing as a warlock.