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Octonauts and the Great Barrier Reef (2020): Cast & Where to Watch

Octonauts and the Great Barrier Reef (2020) movie poster

Octonauts and the Great Barrier Reef is a 2020 family music film directed by Blair Simmons, starring Simon Greenall as Captain Barnacles (Voice), Keith Wickham and Teresa Gallagher. It runs 47 minutes and earned $151,898 worldwide. Its Echo Score is 77/100. Stream it on Netflix.

worldwide gross
$151.9K
Echo Score
77
Octonauts and the Great Barrier Reef (2020) movie poster
Released
Runtime
47 min
Director
Blair Simmons
Original language
English
After the credits
No No extra scene
The story

What Is Octonauts and the Great Barrier Reef About?

The premise of Octonauts and the Great Barrier Reef without spoilers.

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.

Octonauts and the Great Barrier Reef Themes & Keywords

· 3 tags
  • sea adventure
  • animals family
  • cg animation
Where to watch

Where to Watch Octonauts and the Great Barrier Reef

Stream it on Netflix. US availability and prices from JustWatch.

Streaming availability in the US, powered by JustWatch logo

Cast & crew

Octonauts and the Great Barrier Reef Cast & Characters

Simon Greenall leads the cast as Captain Barnacles (Voice), with Keith Wickham as Shellington/Inkling (Voice) and Teresa Gallagher as Dashi (Voice). Directed by Blair Simmons; 8 actors are credited in all.

Also Starring in Octonauts and the Great Barrier Reef

· 4 more
Ratings

Octonauts and the Great Barrier Reef Reviews & Ratings

Our Echo Score gives it 77/100, strongest in character & emotion (85) and weakest in story & flow (68).

77 /100

Octonauts and the Great Barrier Reef Echo Score Breakdown

The film delivers a lively, musically driven experience that resonates strongly with young audiences. Reviewers commend the vibrant animation, engaging plot about Coba’s journey, and the memorable songs that many families replay. However, several viewers note that the frequent musical numbers can interrupt narrative flow and feel excessive compared to the original series. Overall, the movie offers solid entertainment for children while presenting mixed appeal for adult viewers.

Our own 0–100 rating, built from five aspects: art, character, story, the sensory experience and how well a film rewatches.

  • Art & Craft 78

    In terms of visual craftsmanship, the animation quality receives consistent praise, with many noting its bright colors and smooth motion that capture the underwater world effectively. Some users point out that the film diverges from the series' established style, feeling less authentic. Overall, the artistic execution is solid, delivering an appealing look appropriate for its target audience.

  • Character & Emotion 85

    When evaluating character portrayal, reviewers highlight the familiar and caring personalities that connect well with children, noting strong chemistry among the cast. The musical numbers further emphasize character traits, especially Captain Barnacle’s baritone. A minority mention that the singing sometimes overshadows character depth, but overall the film succeeds in presenting relatable figures for its young viewers.

  • Story & Flow 68

    Regarding narrative structure, the plot follows Coba’s journey with a clear, adventure‑driven arc that many find enjoyable and appropriately paced for children. The battle song and teamwork theme add excitement, though several reviewers argue that frequent musical interruptions disrupt the story’s coherence, making portions feel like filler. Consequently, the storytelling is competent but uneven.

  • Sensory Experience 72

    In the sensory domain, the soundtrack stands out as a central attraction, with the “Thousand Pies” and battle songs receiving high acclaim for catchy melodies and vocal performance. Reviewers appreciate the lively audio design that enhances the film’s energy. Conversely, a few critics find the nonstop singing excessive, detracting from other sound elements. Overall, the auditory experience is vibrant but occasionally overwhelming.

  • Rewatch Factor 80

    The rewatch factor is rated highly, as many families report that children request multiple viewings and even sing the songs afterward. The film’s short runtime and engaging musical numbers contribute to its repeatability. Some adults, however, consider the repetitive songs a drawback, limiting broader appeal. In sum, the movie offers strong replay value for its intended young audience.

Box office

Octonauts and the Great Barrier Reef Box Office

Octonauts and the Great Barrier Reef grossed $151,898 worldwide.

2020 box office

Worldwide gross

$151.9K

International
$151.9K
Videos

Octonauts and the Great Barrier Reef Trailers & Videos

The trailer of Octonauts and the Great Barrier Reef.

Octonauts - The Great Barrier Reef Exclusive Trailer! | Cartoons for Kids
Details

Octonauts and the Great Barrier Reef Also Known As

13 alternative titles, including “海底小纵队” and “Los Octonautas y la Gran Barrera de Coral”.

Also known as
  • 海底小纵队
  • Los Octonautas y la Gran Barrera de Coral
  • Oktonauti a Velký bariérový útes
  • Die Oktonauten und das Great Barrier Reef
  • Os Octonautas e a Grande Barreira de Coral
  • Les Octonauts et la grande barrière de corail
  • 海底小縱隊:大堡礁
  • 海底小纵队:大堡礁
  • Octonautas e a Grande Barreira de Corais
  • 극장판 바다 탐험대 옥토넛: 대산호초 보호작전
  • Mélytengeri mentőcsapat: A Nagy-korallzátony
  • Gli Octonauti e la Grande barriera corallina
+1 more
  • אוקטונאוטים ומחסום השונית הגדול

Seen Octonauts and the Great Barrier Reef?

FAQ

Octonauts and the Great Barrier Reef FAQ: Where to Watch & Cast

Runtime, release date, director, cast, where to watch, box office and post-credit scenes of Octonauts and the Great Barrier Reef, each answered in a sentence.

How long is Octonauts and the Great Barrier Reef?

Octonauts and the Great Barrier Reef runs 47 minutes.

When was Octonauts and the Great Barrier Reef released?

Octonauts and the Great Barrier Reef was released on October 13, 2020.

Who directed Octonauts and the Great Barrier Reef?

Octonauts and the Great Barrier Reef was directed by Blair Simmons.

More films by Blair Simmons

Who is in the cast of Octonauts and the Great Barrier Reef?

Octonauts and the Great Barrier Reef stars Simon Greenall as Captain Barnacles (Voice), Keith Wickham as Shellington/Inkling (Voice) and Teresa Gallagher as Dashi (Voice), among 8 credited actors.

Where can I watch Octonauts and the Great Barrier Reef?

In the US, Octonauts and the Great Barrier Reef is streaming on Netflix (availability from JustWatch).

How much did Octonauts and the Great Barrier Reef make at the box office?

Octonauts and the Great Barrier Reef grossed $151,898 worldwide.

Does Octonauts and the Great Barrier Reef have a post-credit scene?

No. Octonauts and the Great Barrier Reef has no extra scene during or after the credits.

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