Series Intelligence
Blue Planet III
Leak Intelligence
WEB leaks detected
Latest detection
S01E02Open Ocean
1080p WEBRip · Episode release date: Nov 8, 2026
First detected Nov 2, 2026, 11:00:33 AM EST
6 days early
S01E03Season Seas
1080p · Episode release date: Nov 2, 2026
First detected Nov 2, 2026, 9:16:25 AM EST
Same day
S01E01Tropical Seas
1080p WEBRip · Episode release date: Nov 1, 2026
First detected Nov 2, 2026, 7:15:36 AM EST
+1 day
Status
Returning Series
Network
BBC One
Audience Rating
10.0 / 10
Rating Votes
1
Origin
GB
Last Air Date
Nov 1, 2026
Production
In Production
Current Season
Season 1
Next scheduled episode
No next air date confirmed
Series overview and metadata
The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas. Venture deeper beneath the waves. David Attenborough reveals ocean life more surprising, more intelligent and more precious than we ever realised.
- First aired
- Nov 1, 2026
- Status
- Returning Series
- Network
- BBC One
- Seasons
- 1
Episode Intelligence
Season 1 Episode Timeline
6 episodes
Episode Intelligence
Season 1 Episode Timeline
S01E01Tropical SeasNov 1, 2026
Runtime: 58m
Warm waters and year-round sunshine create the perfect conditions for the ocean’s richest habitats to flourish, but survival here takes remarkable and surprising tactics.
S01E02Open OceanNov 1, 2026
Runtime: 58m
Beyond the horizon lies the vast Open Ocean, a mysterious wilderness teeming with extraordinary life that thrives against all odds.
S01E03Season SeasNov 1, 2026
Runtime: 58m
Between the tropics and poles lie seas governed by the seasons. From storm-battered winters to the intense heat of summer, it's a world of extremes, but for those that can adapt, opportunity awaits.
S01E04Polar WatersTBA
Polar waters help power global ocean currents, bringing epic wildlife spectacles and surprising animal behaviour far beyond the poles.
S01E05The DeepTBA
Journey into Earth’s last great frontier, where cutting-edge technology reveals an extraordinary world hidden beneath the ocean’s surface.
S01E06Future SeasTBA
Event: Season Finale
Our ocean faces immense challenges, but we now have the tools to help it recover and there are incredible people around the world leading this fight.
Cast & creators
Release Intelligence
Episode Status
Most recently aired and next scheduled episodes.
Last Episode
Air Date
Nov 2, 2026
Season Seas
Runtime
58m
Audience Rating
—
Votes
—
Between the tropics and poles lie seas governed by the seasons. From storm-battered winters to the intense heat of summer, it's a world of extremes, but for those that can adapt, opportunity awaits.
Next Episode
No episode information is currently available.
Full series release history
Season history
Season 1Latest
Nov 1, 2026 · 6 episodes
Full series release history
Season history
Season 1Latest
Nov 1, 2026 · 6 episodes