1. Happy Birthday, Scooby-Doo Part 1
Aired: Sep 8, 1984It is Scooby's birthday and Shaggy, Daphne, and Scrappy Doo pretend to forget...
While lost and trying order a pizza, the gang meets two twin inventors working on a secret project that could "change mankind".
Current Status: Ended
Network: ABC
Production Country: United States
The New Scooby-Doo Mysteries: Where to Watch Online?
Currently you are able to watch "The New Scooby-Doo Mysteries" for free with ads on Tubi TV.