September 13

What happened today on September 13 back in...

1969

 * "Geronihoho," the second episode of Cattanooga Cats, premiered on ABC.
 * "Swiss Mis-Adventure," the second episode of Around the World in 79 Days, premiered on ABC.
 * "When My Sheep Comes In," the second episode of It's the Wolf, premiered on ABC.
 * "Party Crasher," the second episode of Motormouse and Autocat, premiered on ABC.
 * "What a Night for a Knight," the first episode of Scooby-Doo, Where Are You!, premiered on CBS.
 * "Fur Out Furlough" and "Sappy Birthday," the first episodes of Dastardly & Muttley in Their Flying Machines, premiered on CBS.
 * "Muttley on the Bounty," the first episode of Magnificent Muttley, premiered on CBS.
 * "Jungle Jeopardy," the first episode of The Perils of Penelope Pitstop, premiered on CBS.

1975

 * "No Bones About It", "An Ill Wind" and "Beach Bully," the second episodes of The Tom & Jerry Show, premiered on ABC.
 * "Hello Mrs. McGivern, Goodbye," the fourteenth episode of These Are the Days, premiered on ABC.
 * "Movie Madness" and "Trouble at Bad Rock," the second episodes of The Great Grape Ape Show, premiered on ABC.

1985

 * "Bungle in the Jungle," the second episode of Yogi's Treasure Hunt, premiered in syndication.

1986

 * "Once and Future Queen," the first episode of Wildfire, premiered on CBS.
 * "Teen Wolf's Family Secret," the first episode of Teen Wolf, premiered on CBS.
 * "A Little Off the Top" and "A Clean Sweep," the first episodes of Foofur, premiered on NBC.
 * "Smurfquest Part I and "Smurfquest Part II," the hundred and forty-fifth episodes of The Smurfs, premiered on NBC.
 * "Smurfquest Part III and "Smurfquest Part IV," the hundred and forty-sixth episodes of The Smurfs, premiered on NBC.
 * "Frankenstone," "Yard Wars," and "Freezy Does It," the second episodes of The Flintstone Kids, premiered on ABC.

1988

 * "Grin & Bear It," the second episode of The New Yogi Bear Show, premiered in syndicated.

1993

 * "Color Me Addams," the fourteenth episode of The Addams Family, premiered on ABC.

1996

 * "Amok," the fifteenth episode of The Real Adventures of Jonny Quest, premiered on Cartoon Network.

2003

 * "Big Appetite in Little Tokyo," the fifteenth episode of What's New, Scooby-Doo?, premiered on The WB.

2021

 * "Kid Styles for Old People! Part One," the first short Jellystone!, premiered on YouTube.
 * In the United Kingdom, Warner Home Video releases Straight Outta Nowhere: Scooby-Doo! Meets Courage the Cowardly Dog on DVD.