July 31

What happened today on July 31 back in...

2006

 * In the United Kingdom and Ireland, Warner Home Video releases Wacky Races: The Complete Series on DVD.

2012

 * "The House of the Nightmare Witch," the twenty-eighth episode of Scooby-Doo! Mystery Incorporated, premiered on Cartoon Network.
 * In the United States, Warner Archive Collection releases Hanna-Barbera Christmas Classics Collection on DVD.