This is the thirtieth Scooby movie.
The gang promises Shaggy and Scooby not to solve mysteries anymore, so they go on a tropical island, where they have to ignore that something strange is going on. That ends up in them running away from werecats from their previous visit to Zombie Island!
- Add who (Cat Person)
- Sister Withers (Swamp Monster)
- Jack (Zombies)
- Add who (Sheriff) (revealed in Happy Halloween, Scooby-Doo!)
- Alan Smithee
- Ferry Captain (Lead Cat Person)
|Matthew Lillard||Shaggy Rogers|
|Grey DeLisle||Daphne Blake|
|Kate Miccuci||Velma Dinkley|
- Good Old Days
- Sweet As Candy (Pure As Gold)
- Mystery On Moonstar Island (Mystery Cases Level 8)
- Scooby-Doo Return To Zombie Island - Walmart exclusive DVD (September 3, 2019)
- Scooby-Doo Return To Zombie Island - DVD (September 9, 2019) IN THE UK
- Scooby-Doo Retour Sur Ile Aus Zombies - DVD (September 11, 2019) IN FRANCE
- Scooby-Doo Return To Zombie Island - DVD (September 18, 2019) IN AUSTRALIA
- Scooby-Doo Return To Zombie Island - DVD (October 1, 2019)
- This is the second Scooby DTV sequel.
- The Sheriff appears for the second time (Scooby-Doo! And the Curse of the 13th Ghost)