Showdated
Docuseries

Blue Planet III

Release date

Later in 2026 (TBA)

BBC One · iPlayer

Blue Planet III Release Date

By the Showdated editorial team · Updated

There is no exact Blue Planet III release date yet. As of October 12, 2026, the BBC says the series will be on BBC One and BBC iPlayer "later this year" (2026), and also on BBC America. It is a six-part, 60-minute series narrated by Sir David Attenborough. We will update this page when the BBC announces a date.

What's confirmed

Detail Status
Release date Not announced — "later this year" (BBC, May 8, 2026)
Channels BBC One, BBC iPlayer, BBC America
Episodes 6 × 60 minutes
Narrator Sir David Attenborough
Producer BBC Studios Natural History Unit, with The Open University
Co-producers ZDF, France Télévisions, in association with Skai Greece

Episodes / habitats

The series covers five underwater habitats — Tropical Seas, Open Ocean, Seasonal Seas, Polar Waters, The Deep — and a sixth episode, Future Seas, on protecting the oceans.

What's new

New filming technology including splash drones, long-term remote underwater cameras and a "mini dome", and stories of adaptation, resilience and recovery (where Blue Planet II focused on threats such as plastic).

Where to watch Blue Planet and Blue Planet II now

Both earlier series are on BBC iPlayer (UK).

Frequently asked questions

When is Blue Planet III coming out?

No exact date yet; the BBC says later in 2026 on BBC One and iPlayer.

How many episodes will Blue Planet III have?

Six episodes of 60 minutes.

Will Blue Planet III air in the US?

Yes, it is made for BBC America as well as BBC One and iPlayer.

Release details cross-checked against multiple sources on . Official: BBC Media Centre, BBC News.