December 23

What happened today on December 23 back in...

1960

 * "The Drive-In," the thirteenth episode of The Flintstones premiered on ABC.

1962

 * "Elroy's Pal," the fourteenth episode of The Jetsons premiered on ABC.

1972

 * "The Lochness Mess," the sixteenth episode of The New Scooby-Doo Movies premiered on CBS.

1978

 * "The Beast is Awake in Bottomless Lake," the fortieth and final episode of The Scooby-Doo Show premiered on ABC.