Blue Planet III – BBC One Times, Episode Guide and How to Watch
Next episode: episode 2 of 6, Sunday 8 November 2026, 8pm, BBC One. Episode 1 is repeated the same day at 4.15pm.
Blue Planet III runs on Sunday nights, narrated by Sir David Attenborough. Episode 1, on the tropical seas, was shown on 1 November. Episode 2 turns to the open ocean. We update this page after each episode.
Updated Tuesday 3 November 2026, after episode 1.
What is Blue Planet III?
A six-part natural history series about the sea, with Attenborough as narrator. Each episode runs an hour, and the last one looks at protecting the seas.
Episode guide
| Episode | Date | Time | Theme |
|---|---|---|---|
| 1 | Sunday 1 November 2026 | 8pm, BBC One | Tropical seas |
| 1 (repeat) | Sunday 8 November 2026 | 4.15pm, BBC One | Tropical seas |
| 2 | Sunday 8 November 2026 | 8pm, BBC One | Open ocean |
| 3 | Not listed yet | Not announced yet | |
| 4 | Not listed yet | Not announced yet | |
| 5 | Not listed yet | Not announced yet | |
| 6 | Not listed yet | Protecting the seas |
When is the next episode of Blue Planet III on?
Episode 2 is on at 8pm on Sunday 8 November, the same slot as episode 1. Listings only run about a week ahead, so episodes 3 to 6 have no dates yet. We add each one here, and to our BBC One TV guide, once it is listed.
If you missed episode 1, BBC One repeats it at 4.15pm that afternoon.
How to watch
| Platform | BBC One |
|---|---|
| Freeview | 1 (HD on 101) |
| Sky | 101 |
| Virgin Media | 101 |
| Freesat | 101 |
To stream it, use BBC iPlayer, which is free with a TV licence. We haven’t confirmed whether the remaining episodes arrive all at once or weekly, so check iPlayer itself.
Everything else on BBC One on Sunday is in our BBC One TV guide. For the day as a whole, see what’s on TV Sunday, and for tonight across every channel, what’s on TV tonight.
Frequently asked questions
When is the next episode of Blue Planet III on?
Episode 2 of 6 is on BBC One at 8pm on Sunday 8 November 2026. Episode 1 is repeated earlier that day at 4.15pm. Dates for episodes 3 to 6 are not in the listings yet.
What time is Blue Planet III on BBC One?
8pm on Sunday nights. Episode 1 started at 8pm on Sunday 1 November and episode 2 is listed for 8pm on Sunday 8 November.
How many episodes are there in Blue Planet III?
Six, each an hour long. Our listings show episode 2 as 2 of 6.
Is Blue Planet III narrated by David Attenborough?
Yes. Sir David Attenborough is the narrator.
Where can I stream Blue Planet III?
On BBC iPlayer, which is free with a TV licence. We haven’t confirmed whether the remaining episodes arrive all at once or week by week.
What is each episode of Blue Planet III about?
Episode 1 is about tropical seas and episode 2 about the open ocean. The final episode turns to protecting the seas. Themes for episodes 3 to 5 are not confirmed individually here.
Is there a repeat of Blue Planet III?
Yes. BBC One shows episode 1 again at 4.15pm on Sunday 8 November, ahead of episode 2 at 8pm.
What channel number is BBC One?
BBC One is 1 on Freeview (HD on 101), and 101 on Sky, Virgin Media and Freesat.
Related: BBC One TV guide | What’s on TV tonight, Sunday
