Skip to content

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Search movies and TV series

Search movies and TV series

Featured Popular Top Rated Upcoming Now Playing

Featured Popular Top Rated Airing Today On The Air

Action Adventure Animation Comedy Crime Documentary Drama Family Fantasy History Horror Music Mystery Romance Science Fiction TV Movie Thriller War

Every movie and series, one place to find it.

Search movies and TV series

Loading content…

Discover where to watch movies and TV series online. Browse trending titles, streaming availability, ratings, trailers, cast and full episode guides — all in one place.

Movies

Featured
Popular
Top Rated
Upcoming
Now Playing

TV Series

Featured
Popular
Top Rated
Airing Today
On The Air

Discover

Trending
Free to Watch
Browse Genres
Search

© 2026 Watch Free Online Movies. All rights reserved.

This product uses the TMDB API but is not endorsed or certified by TMDB. Watch Free Online Movies does not host or stream any media — it links to where titles are legally available.

Loading title details…

Octonauts and the Great Barrier Reef poster

Octonauts and the Great Barrier Reef(2020)

November 12, 202047m

Family Animation Adventure

54%User score 54 percent

User Score

5 votes

Overview

In this musical special, the Octonauts must find a way to hold back hungry swarms of coral-eating starfish to save a new friend's fragile reef home.

Director: Blair Simmons

Top Billed Cast

Simon Greenall
Captain Barnacles (Voice)
Paul Panting
Peso (Voice)
Jo Wyatt
Tweak (Voice)
Keith Wickham
Shellington/Inkling (Voice)

More Like This

Recommendations based on this film

76%User score 76 percent

Moana

2016 · Adventure · Comedy

72%User score 72 percent

Under the Boardwalk

2023 · Adventure · Animation

66%User score 66 percent

The Snail and the Whale

2020 · Animation · Family

60%User score 60 percent

Moana

2026 · Family · Fantasy

70%User score 70 percent

Moana 2

2024 · Adventure · Animation

60%User score 60 percent

Mars Needs Moms

2011 · Adventure · Animation

70%User score 70 percent

Robin Robin

2021 · Animation · Adventure

60%User score 60 percent

Arctic Dogs

2019 · Animation · Adventure

67%User score 67 percent

The Tigger Movie

2000 · Animation · Family

66%User score 66 percent

Once Upon a Forest

1993 · Animation · Family

60%User score 60 percent

Dory's Reef Cam

2020 · Family · Animation

74%User score 74 percent

Minions & More 2

2022 · Comedy · Family

63%User score 63 percent

The Land Before Time IX: Journey to Big Water

2002 · Animation · Adventure

67%User score 67 percent

Muppet Treasure Island

1996 · Adventure · Comedy

67%User score 67 percent

Curious George 3: Back to the Jungle

2015 · Animation · Family

67%User score 67 percent

Jurassic World Camp Cretaceous: Hidden Adventure

2022 · Action · Adventure

64%User score 64 percent

Smurfs: The Lost Village

2017 · Family · Comedy

73%User score 73 percent

The Sea Beast

2022 · Animation · Adventure

66%User score 66 percent

Barbie: Dolphin Magic

2017 · Animation · Adventure

78%User score 78 percent

Interstella 5555: The 5tory of the 5ecret 5tar 5ystem

2003 · Animation · Science Fiction

Octonauts and the Great Barrier Reef (2020) | Watch Free Online Movies

Rob Rackstraw

Kwazii (Voice)

Teresa Gallagher

Dashi (Voice)

Michael C. Murphy

Turnip (Voice)

Ross Breen

Captain Barnacles (Singing Voice)

Media

Where to Watch

US

Stream

Stream on Netflix
Stream on Netflix Kids
Stream on Netflix Standard with Ads

All watch options for Octonauts and the Great Barrier Reef

Streaming availability data provided by JustWatch via TMDB.

Facts

Status: Released
Original title: Octonauts and the Great Barrier Reef
Original language: English
Production: Mainframe Studios

Official site IMDb

Keywords

rescue
sea
ocean
coral reef
sea adventure
short film
music