December 20

What happened today on December 20 back in...

1961

 * "Naked Town," the twelfth episode of Top Cat, premiered on ABC.

1969

 * "The Fiji Weegees," the sixteenth episode of Around the World in 79 Days, premiered on ABC.
 * "Ghost of a Chance," the seventeenth episode of It's the Wolf, premiered on ABC.
 * "King Size Kaddy," the sixteenth episode of Motormouse and Autocat, premiered on ABC.
 * "Spooky Space Kook," the fifteenth episode of Scooby-Doo, Where Are You!, premiered on CBS.
 * "Balmy Swami" and "Camouflage Hop-Aroo," the fifteenth episodes of Dastardly & Muttley in Their Flying Machines, premiered on CBS.
 * "Wild Mutt Muttley," the fifteenth episode of Magnificent Muttley, premiered on CBS.
 * "Big Top Trap," the fifteenth episode of The Perils of Penelope Pitstop, premiered on CBS.