The War Between the Land and the Sea

The War Between the Land and the Sea

Ended First aired 07/Dec/2025 United Kingdom English 2 season(s) 8 episode(s)
Sci-Fi & FantasyDrama
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.
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TimeScore 33% Skip It
Binge Meter 48% Slow Burn
Episode Pulse Quiet 40% activity score
Drop Rate 0% Very Low

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Seasons & Episodes

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Season 1 · Miniseries
5 episode(s) · Air date: 07/Dec/2025
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Season Overview

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.

Season Overview

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.

S1E5
The End of the War
Air date: 21/Dec/2025 · Time: 21:00 · Runtime: 54 min
Summary

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?

Summary

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?

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S1E4
The Witch of the Waterfall
Air date: 14/Dec/2025 · Time: 20:30 · Runtime: 46 min
Summary

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.

Summary

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.

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S1E3
The Deep
Air date: 14/Dec/2025 · Time: 20:30 · Runtime: 45 min
Summary

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.

Summary

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.

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S1E2
Plastic Apocalypse
Air date: 07/Dec/2025 · Time: 20:30 · Runtime: 48 min
Summary

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.

Summary

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.

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S1E1
Homo Aqua
Air date: 07/Dec/2025 · Time: 20:30 · Runtime: 44 min
Summary

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.

Summary

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.

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Season 0 · Specials
3 episode(s) · Air date: 29/Nov/2025
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Season Overview

Special installments of the series.

Season Overview

Special installments of the series.

S0E3
The Making Of The War Between The Land And The Sea
Air date: 15/Feb/2026 · Runtime: 34 min
Summary

Go behind the scenes of the Doctor Who spin-off. Witness the creation of stunning sets and groundbreaking special effects. Explore the challenges and triumphs of filming across diverse locations, from Spain to a wave pool.

Summary

Go behind the scenes of the Doctor Who spin-off. Witness the creation of stunning sets and groundbreaking special effects. Explore the challenges and triumphs of filming across diverse locations, from Spain to a wave pool.

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S0E1
Sneak Peek
Air date: 29/Nov/2025 · Runtime: 3 min
Summary

The cast and writers of The War Between the Land and the Sea give us a sneak peek behind the scenes and tease what we can expect from the new series.

Summary

The cast and writers of The War Between the Land and the Sea give us a sneak peek behind the scenes and tease what we can expect from the new series.

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Cast

Main cast members.

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Russell Tovey
Russell Tovey
Barclay Pierre-Dupont
Gugu Mbatha-Raw
Gugu Mbatha-Raw
Salt
Jemma Redgrave
Jemma Redgrave
Kate Lethbridge-Stewart
Ruth Madeley
Ruth Madeley
Shirley Bingham
No Photo
Rodo Gener
Agustin
No Photo
Henry Nott
Corporal Pip Morgan
No Photo
Fia Hadeed
Private Bushra Abdallah
Delroy Brown
Delroy Brown
Jackson St Lewis
No Photo
Leo Anthony
Roger Trevithick
No Photo
Alys Metcalf
UK Reporter
No Photo
Benito Curteanu
Marko Novak
Patrick Baladi
Patrick Baladi
Sir Keith Spears
Cordelia Bugeja
Cordelia Bugeja
Esther Spears
Antonia Bernath
Antonia Bernath
Rose-Marie Hunt
No Photo
Iestyn Arwel
Platoon Leader
Zina Esepciuc
Zina Esepciuc
Russian Newsreader (as Zina Ida)
No Photo
Shanice Archer
USA Reporter
Douglas Hansell
Douglas Hansell
Australian Diplomat

Crew

Creators, directors, writers, and production crew.

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No Photo
Adrian Anscombe
Set Decoration
No Photo
Adam Lyons
Additional Photography
No Photo
Dale Elena McCready
Director of Photography
Dylan Holmes Williams
Dylan Holmes Williams
Director
Andy Pryor
Andy Pryor
Casting
Jane Tranter
Jane Tranter
Executive Producer
Joel Collins
Joel Collins
Executive Producer
Julie Gardner
Julie Gardner
Executive Producer
Phil Collinson
Phil Collinson
Executive Producer
Russell T Davies
Russell T Davies
Executive Producer, Writer
No Photo
Daniel Sampedro Palerm
Location Manager
Lorne Balfe
Lorne Balfe
Original Music Composer

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