For 50 years, the hard-working teens (and dog) of Mystery, Inc. have been investigating the paranormal—and inspiring some wild fan theories.
A theory suggests the 'Scooby-Doo' gang are Vietnam-dodgers
Dark And Interesting 'Scooby-Doo' Fan Theories About Scoob Himself
Random, Funny and Resplendent Tumblr Gems - FAIL Blog - Funny Fails
Wild Fan Theory Traces the Joker's Origin to an Episode of 'Scooby Doo
Scooby-Doo' wasn't just another cartoon. It was a reaction to the political turmoil at the time
Scooby-Doo Characters Cast List of Characters From Scooby-Doo
SNAG ARE Gil ISSTUCK INFANG: ALTERNATE DIMENSION THE GANG'S ADVENTURES JUSTIN MIND DARK FAN THEORIES BY
15 Super Dark Fan Theories About Scooby Doo
The Queer History of Scooby-Doo - GateCrashers
Small But Interesting Details In 'Scooby-Doo! Mystery Incorporated
Scooby-Doo! What's Your Canon?. A Deep Dive Into the Confusing Canon of…, by Hayden Smalley
Video: Convincing Fan Theory Suggests Scooby-Doo is an Alien!
10 Things You Might Not Know about Scooby-Doo - Listverse