Scooby-Doo and his pals win an all-expense paid vacation and embark on a trip of a lifetime to a tropical paradise. Their destination however, turns out to be Zombie Island. As soon as they arrive, they realize the place looks strangely familiar and is reminiscent of a trip they took years ago, in which they became wrapped up in a mystery involving zombies. The gang soon learns that their trip to paradise comes with a price when the zombies re-emerge and attack their hotel. Will Scooby-Doo and the Mystery Inc. gang finally solve the mystery behind Zombie Island?
Unfortunately the movie Scooby-Doo! Return to Zombie Island is not yet available on HBO Max.
| Writing | Jeremy Adams | Writer |
| Directing | Cecilia Aranovich | Director |
| Directing | Ethan Spaulding | Director |
| Production | Wes Gleason | Casting |
| Editing | Robert Ehrenreich | Editor |
| Production | James Krieg | Co-Producer |
| Production | Rick Morales | Producer |
| Production | Amy McKenna | Producer |
| Production | Sam Register | Executive Producer |
| Sound | Robert J. Kral | Original Music Composer |
