Monster High: Great Scarrier Reef

Name: Monster High: Great Scarrier Reef
Genre: Animation, Fantasy
Released: 2016-01-01
Rating: 6.5
Cast: Larissa Gallagher, Kate Higgins, Debi Derryberry, Salli Saffioti, America Young

2016| 1h 11m| IMDb 6.5

Monster High: Great Scarrier Reef (2016) is currently streaming in the UK on Prime Video. Last updated 20 January 2026.

Streaming availability last checked 20 January 2026

Animation Fantasy

When the ghouls get drawn into the school swimming pool which has been transformed into a portal, they find themselves transported to the Great Scarrier Reef and turned into mermaids! To enable the girls to return to reality, Lagoona must face her fears in the form of an old bully, win an underwater talent competition, and defeat the evil Posea, daughter of Poseidon.

Director: William Lau