Also Read: 'Scoob!' Film Review: Animated Scooby-Doo Reboot Starts by Making Fun of Itself“HBO Max is the perfect home for these ‘meddling kids’ and their dog,'” Kevin Reilly, chief content officer, HBO Max, president TNT, TBS, and TruTV, said in a statement. “‘Scoob!’ tells the backstory of how these beloved friends met and formed Mystery Inc.