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TV series

The War Between the Land and the Sea

Latest episode

S1 E5 · The End of the War

About The War Between the Land and the Sea

The War Between the Land and the Sea is a sci-fi & fantasy and drama TV series that premiered on BBC One on December 7, 2025. It has 1 season and 5 episodes so far and has ended. The latest episode, Season 1 Episode 5 "The End of the War", aired on December 21, 2025.

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.

  • Sci-Fi & Fantasy
  • Drama

Last updated

Episodes

5 episodes · 1 season

Miniseries

2025 · 5 episodes · Last episode: 10 months ago

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.

The War Between the Land and the Sea Miniseries release dates →
  1. The War Between the Land and the Sea S1 E5 still E5

    5. The End of the War

    Finale

    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?

  2. The War Between the Land and the Sea S1 E4 still E4

    4. The Witch of the Waterfall

    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.

  3. The War Between the Land and the Sea S1 E3 still E3

    3. The Deep

    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.

  4. The War Between the Land and the Sea S1 E2 still E2

    2. Plastic Apocalypse

    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.

  5. The War Between the Land and the Sea S1 E1 still E1

    1. Homo Aqua

    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.

Cast & crew

Created by Russell T Davies

  • Rodo Gener

    Agustin

  • Henry Nott

    Corporal Pip Morgan

  • Fia Hadeed

    Private Bushra Abdallah

  • Catherine Garton

    Private Jane Hart

  • Delroy Brown

    Delroy Brown

    Jackson St Lewis

  • Leo Anthony

    Roger Trevithick

  • Alys Metcalf

    UK Reporter

  • Benito Curteanu

    Marko Novak

  • Patrick Baladi

    Patrick Baladi

    Sir Keith Spears

  • Cordelia Bugeja

    Cordelia Bugeja

    Esther Spears

  • Antonia Bernath

    Antonia Bernath

    Rose-Marie Hunt

  • Iestyn Arwel

    Platoon Leader

  • Zina Esepciuc

    Zina Esepciuc

    Russian Newsreader (as Zina Ida)

  • Shanice Archer

    USA Reporter

  • Douglas Hansell

    Douglas Hansell

    Australian Diplomat

  • William Gaminara

    William Gaminara

    Ted Campbell

The War Between the Land and the Sea FAQ

Will there be new episodes of The War Between the Land and the Sea?

The War Between the Land and the Sea has ended, so no new episodes are scheduled. The final episode aired on December 21, 2025.

When did the latest episode of The War Between the Land and the Sea come out?

The most recent episode of The War Between the Land and the Sea, Season 1 Episode 5 "The End of the War", aired on December 21, 2025.

How many seasons of The War Between the Land and the Sea are there?

The War Between the Land and the Sea has 1 season with 5 episodes in total.

When did The War Between the Land and the Sea first air?

The War Between the Land and the Sea first aired on BBC One on December 7, 2025.

How do I get notified when new episodes of The War Between the Land and the Sea are released?

Download the Streambay app, follow The War Between the Land and the Sea, and you'll get a push notification the moment each new episode is released.

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