The Mega Mondo Pop Cartoon-a-Con in sunny California marks the spot for mystery in this all-new original Scooby-Doo adventure! The Mystery Inc. pals -- Fred, Daphne, Velma, Shaggy and Scooby -- head to the annual convention, but they're not there … Frank Welker, Mindy Cohn, Grey DeLisle, Matthew Lillard, Diedrich Bader, Dee Bradley Baker, Jeff Bennett Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer

The gang goes on a trip to check on Velma's younger sister, Madelyn. She's been studying stage magic at the Whirlen Merlin Magic Academy, where apparently there have been sightings of a giant griffin. The gang decides to investigate. Frank Welker, Matthew Lillard, Mindy Cohn, Grey DeLisle, Danica McKellar, James Patrick Stuart, Crystal Scales Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer

The Mystery Inc. gang takes a trip to Japan and finds themselves circling Asia and the Pacific in a treasure hunt, racing against the vengeful Black Samurai and his Ninja warriors to find the legendary Sword of Fate, an ancientblade … Casey Kasem, Frank Welker, Grey DeLisle, Mindy Cohn, Kelly Hu, Kevin Michael Richardson, Brian Cox Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer