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The War Between the Land and the Sea

  • 2025
  • 1 season
  • Sci-Fi & Fantasy, Drama
  • 7.6

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.

Episodes

Special installments of the series.

18 episodes · 15 still to air
  1. 1Sneak Peek

    3 minNov 29, 2025

    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.

  2. 2Interview with the Writers

    16 minDec 22, 2025

    Writers Russell T Davies and Pete McTighe discuss The War Between the Land and the Sea.

  3. 3Deep Dive: The Making Of The War Between The Land And The Sea

    34 minFeb 15, 2026

    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.

  4. 4Deleted and Extended Scenes: Homo Aqua

    Date to be announced

    Deleted and extended scenes for the first episode of the series - Homo Aqua.

  5. 5Deleted and Extended Scenes: Plastic Apocalypse

    Date to be announced

    Deleted and extended scenes for the second episode of the series - Plastic Apocalypse.

  6. 6Deleted and Extended Scenes: The Deep

    Date to be announced

    Deleted and extended scenes for the third episode of the series - The Deep.

  7. 7Deleted and Extended Scenes: The Witch of the Waterfall

    Date to be announced

    Deleted and extended scenes for the fourth episode of the series - The Witch of the Waterfall.

  8. 8Mission Briefing

    Date to be announced

    Introduction to the Character Dossiers featured on the physical media releases of the War Between the Land And The Sea

  9. 9Character Dossier: Barclay Pierre-Dupont

    Date to be announced

    First of four character dossiers presented by General Austin Pierce, profiling key figures in The War Between the Land and the Sea. This dossier focuses on Barclay Pierre-Dupont.

  10. 10Character Dossier: Christofer Ibrahim

    Date to be announced

    Second of four character dossiers presented by General Austin Pierce, profiling key figures in The War Between the Land and the Sea. This dossier focuses on Christofer Ibrahim.

  11. 11Character Dossier: Kate Lethbridge-Stewart

    Date to be announced

    Third of four character dossiers presented by General Austin Pierce, profiling key figures in The War Between the Land and the Sea. This dossier focuses on Kate Lethbridge-Stewart.

  12. 12Character Dossier: Salt and Homo Aqua

    Date to be announced

    Fourth of four character dossiers presented by General Austin Pierce, profiling key figures in The War Between the Land and the Sea. This dossier focuses on Salt and Homo Aqua.

  13. 13Set Tour: Empress Hall

    Date to be announced

    A guided tour of Empress Hall, one of the key locations in The War Between the Land and the Sea, going behind the scenes of the set design and construction.

  14. 14Set Tour: Homo Aqua Habitat

    Date to be announced

    A guided tour of Homo Aqua Habitat, one of the key locations in The War Between the Land and the Sea, going behind the scenes of the set design and construction.

  15. 15Video Diary: Alexander Devrient

    Date to be announced

    Behind the Scenes video diary from Alexander Devrient who plays Colonel Christofer Ibrahim in The War Between the Land and the Sea.

  16. 16Video Diary: Homo Aqua

    Date to be announced

    Behind the Scenes video diary featuring Gethin Alderman, Liam Carey, and Charles Sandford who play Homo Aqua in The War Between the Land and the Sea.

  17. 17Drawing Challenge

    Date to be announced

    Russell Tovey and Gugu Mbatha-Raw sketch portraits of each other's characters while chatting about their shared love of art, in this short portrait-format clip.

  18. 18Becoming Salt

    Date to be announced

    Russell Tovey interviews Gugu Mbatha-Raw about her experience transforming into Salt, with behind-the-scenes footage of her prosthetics being applied.

Where to watch The War Between the Land and the Sea

Not currently streaming in United States

It is available in 3 other countries, including United Kingdom, Ireland. Switch country above to see where.

Availability from JustWatch, via TMDB.

Series cast

Russell ToveyBarclay Pierre-Dupont5 episodes
Gugu Mbatha-RawSalt5 episodes
Jemma RedgraveKate Lethbridge-Stewart5 episodes
Ruth MadeleyShirley Bingham5 episodes
George RobinsonSteve Chesney5 episodes
Barbara ProbstGeneral Dominique Dussolier5 episodes
Alexander DevrientColonel Christofer Ibrahim5 episodes
Gethin AldermanHomo Aqua5 episodes
Charles SandfordHomo Aqua5 episodes
Stewart AlexanderPrime Minister Harry Shaw5 episodes
Colin McFarlaneGeneral Austin Pierce4 episodes
Francesca CorneySergeant Hana Chakri4 episodes
Hannah DonaldsonCaptain Louise Mackie4 episodes
Catherine GartonPrivate Jane Hart4 episodes
Vincent FranklinPrime Minister Harry Shaw4 episodes
Ann AkinjirinBarbara Pierre-Dupont4 episodes
Patrick BaladiSir Keith Spears3 episodes
Antonia BernathRose-Marie Hunt3 episodes

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