
1. Happy Birthday, Scooby-Doo Part 1
Aired: Sep 8, 1984A surprise birthday party for Scooby-Doo takes a dark turn when a menacing fi...
The friends stumble upon two genius twin inventors while trying to order a pizza, and they're on the cusp of finishing a groundbreaking project that could reshape the course of human history.
Current Status: Ended
Network: ABC
Production Country: United States
Currently, you have the opportunity to watch "The New Scooby-Doo Mysteries" by streaming it on the following platforms: Max, HBO (Via Hulu) or alternatively, you can enjoy it completely free of charge with advertisements on the following platforms: Tubi TV.