Mike Smith
Here’s everything you need to know about the new BBC nature documentary series Blue Planet III, including its premiere date, where to watch, and complete episode guide.
How to watch Blue Planet III outside the UK on BBC iPlayer
To watch Blue Planet III outside the UK, use a reliable VPN and connect to a UK server. Once connected, open BBC iPlayer and sign in to stream the episodes.
- Subscribe to NordVPN
- Install the VPN app on your device.
- Connect to a UK-based server.
- Open BBC iPlayer website, then login or sign up for a free account. A UK postal code is required when creating a new account, and you can use a UK postcode generator if needed.
- You are all set to watch BBC Blue Planet III online!
Blue Planet III Synopsis
Blue Planet III is a 2026 British nature documentary series narrated by Sir David Attenborough. It is the third instalment in the BBC’s Blue Planet franchise, following The Blue Planet (2001) and Blue Planet II (2017).
The six-part series explores marine life across five major ocean habitats: tropical seas, open oceans, seasonal seas, polar waters, and the deep sea. Using new underwater filming technology, it documents animal behaviour, survival strategies, and the ways marine species adapt to changing environmental conditions.
The final episode examines the challenges facing the world’s oceans and the conservation efforts being undertaken to protect marine ecosystems.
When Does Blue Planet III Premiere?
Blue Planet III premieres on Sunday, November 1, 2026, at 8 p.m. GMT on BBC One, with streaming available on BBC iPlayer in the United Kingdom. The six-part documentary releases new episodes weekly on Sundays, with the finale scheduled for December 6, 2026.
Where to Watch Blue Planet III in the UK
You can watch Blue Planet III on BBC One every Sunday at 8 p.m. GMT, starting November 1, 2026. All episodes are also available to stream on BBC iPlayer after their television broadcast.
Where to Watch Blue Planet III in the US
You can watch Blue Planet III in the United States starting Saturday, January 23, 2027, at 8 p.m. ET/PT on BBC America. The six-part nature documentary will also be available to stream on AMC+.
Where to Watch Blue Planet III Around the World
Blue Planet III has secured international broadcasting deals, with Nine acquiring the rights in Australia, Globo in Brazil, Blue Ant Media and Radio-Canada in Canada, Dragon TV in China, DR in Denmark, TVNZ in New Zealand, and Movistar Plus+ in Spain.
The documentary has also secured distribution through BBC Nordic, Sony BBC Earth in India, and BBC Earth in Croatia, Cyprus, Hungary, Malta, Poland, Romania, South Africa, and Turkey.
Blue Planet III Season 1 Episodes
- Episode 1 – Tropical Seas – Premiere date: November 1, 2026
The opening episode explores tropical waters and the different ways marine animals survive in some of the ocean’s richest habitats. - Episode 2 – Open Ocean – Premiere date: November 8, 2026
Far from the coast, marine animals find ways to survive in the vast open ocean, where food and shelter can be difficult to find. - Episode 3 – Seasonal Seas – Premiere date: November 15, 2026
The episode explores temperate seas, where marine animals adapt to changing seasons, harsh winters, and warm summers. - Episode 4 – Polar Waters – Premiere date: November 22, 2026
This episode follows wildlife in polar waters and examines how cold ocean currents influence marine life around the world. - Episode 5 – The Deep – Premiere date: November 29, 2026
Advanced underwater filming technology reveals marine animals and hidden habitats in the deepest parts of the ocean. - Episode 6 – Future Seas – Premiere date: December 6, 2026
The season finale examines the challenges facing the world’s oceans and the conservation efforts helping marine ecosystems recover.
Can You Watch Blue Planet III Series Online for Free?
Yes, you can watch Blue Planet III online for free through BBC iPlayer. BBC iPlayer does not require a paid streaming subscription.
Where Can I Download Blue Planet III Episodes?
You can download Blue Planet III episodes through the BBC iPlayer app on supported smartphones and tablets once they become available. Open the episode, select the download option, and watch it offline through the app while the download remains available.
On What Devices Can You Watch Blue Planet III on BBC iPlayer?
BBC iPlayer supports a wide range of devices, allowing you to stream Blue Planet III at home or on the go.
| Category | Devices |
|---|---|
| Smartphones | iPhone, Android phones |
| Tablets | iPad, Android tablets, Amazon Fire tablets |
| Computers | Windows PCs, MacBooks, desktop computers |
| Smart TVs | Samsung Smart TVs, LG Smart TVs, Sony Android TVs, Google TVs |
| Streaming Devices | Amazon Fire TV Stick, Roku, Apple TV, Chromecast |
| TV Platforms | Sky Q, Sky Glass, Sky Stream, Freely |
| Web Browsers | Google Chrome, Mozilla Firefox, Safari, Microsoft Edge |
FAQs
Who narrates Blue Planet III?
Sir David Attenborough narrates Blue Planet III, returning to the BBC nature documentary franchise. He is a British broadcaster and natural historian known for presenting Planet Earth, The Blue Planet, and numerous other wildlife documentaries.
Who produced Blue Planet III?
Blue Planet III is co-produced by the BBC Natural History Unit, ZDF, France Télévisions, and Skai TV, in partnership with The Open University.
Who composed the music for Blue Planet III?
Hans Zimmer collaborated with JADE and Thom Lukas on the original song “Into The Deep (Seas Cry)” for Blue Planet III.
What genre is Blue Planet III?
Blue Planet III is a British nature and wildlife documentary series focusing on marine animals, ocean habitats, and environmental conservation.
How many episodes are in Blue Planet III?
Blue Planet III consists of six episodes.
Is Blue Planet III a sequel to Blue Planet II?
Yes, Blue Planet III is the third instalment in the BBC’s Blue Planet documentary franchise, following Blue Planet II from 2017.
Trailer
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