The War Between the Land and the Sea
16+2025•6.9/10
Sci-Fi & FantasyDrama
Ratings
🎬TMDb
6.9/10(90)
When a fearsome and ancient species emerges from the ocean, dramatically revealing themselves to humanity, an international crisis is triggered. With the entire population at risk, UNIT step into action as the land and sea wage war.
Production
Bad Wolf, BBC Studios Productions
Language
EN
Status
Ended
First Aired
December 7, 2025
Last Aired
December 21, 2025
Networks
BBC One
Created By
Russell T Davies
Trailers & Videos
Where to Watch
Region US · Lang EN
US
No providers available for this region.
Seasons & Episodes
Select a season to view episodes. Reddit links may contain spoilers.
Season
E1
Homo Aqua
Air date: 2025-12-07
Barclay's ordinary life becomes a world of terror when an ancient species rises from the sea. As UNIT fights for control, the summit on the Thames reveals terrifying secrets.
E2
Plastic Apocalypse
Air date: 2025-12-07
Barclay becomes humanity's ambassador when the mysterious Salt emerges from the Tank. But his family's life is torn apart when Salt wreaks revenge upon all mankind.
E3
The Deep
Air date: 2025-12-14
Barclay makes a terrifying descent into the world of Homo Aqua. Back on the land, Kate stands alone as Downing Street conspires with the army to change the course of the war.
E4
The Witch of the Waterfall
Air date: 2025-12-14
Barclay and Salt go on the run in a war-torn London as UNIT reels from disaster. But when Tide threatens the land and Gunsberg advances his plans, the Severance schemes demand blood.
E5
The End of the War
Air date: 2025-12-21
Barclay stands alone, Salt is lost, UNIT is powerless, and the oceans rise as the war reaches its climax. While traitors conspire, can Barclay find Salt before it's too late?
Cast
Russell Tovey
Barclay Pierre-Dupont
Gugu Mbatha-Raw
Salt
