S1·E3 The Deep
Core
Aired December 14, 2025 45 min ★ 5.6/10 · 28 TMDB votes
Synopsis
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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Director & writers
Pete McTigheWriterDylan Holmes WilliamsDirector
Guest stars
Patrick BaladiSir Keith Spears William GaminaraTed Campbell Colin McFarlaneGeneral Austin Pierce Hannah DonaldsonCaptain Louise Mackie Mei NacMin Tso George RobinsonSteve Chesney Stewart AlexanderGeneral Oscar Gunsberg Barbara ProbstGeneral Dominique Dussolier Vincent FranklinPrime Minister Harry Shaw Alexander DevrientColonel Christofer Ibrahim Gethin AldermanHomo Aqua Charles SandfordHomo Aqua Manpreet BachuRavi Singh John AddisonCaptain Daniel Gaitz Teri Ann Bobb-BaxterCommander Olivia Harper Seeta IndraniPriya Lakhani
Frequently Asked Questions
When did Season 1 Episode 3 of The War Between the Land and the Sea air?
Season 1, Episode 3 ('The Deep') originally aired on December 14, 2025.
How long is Season 1 Episode 3 ('The Deep')?
The runtime for this episode is approximately 45 minutes.
What happens in The War Between the Land and the Sea Season 1 Episode 3?
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....