Aired Sunday 7 December, 9:15pm - 10:05pmon BBC One HD

The War Between the Land and the Sea

Name: 9:15pm - Series 1 Episode 2
Start: 2025-12-07T21:15:00Z
End: 2025-12-07T22:05:00Z
Location: BBC One HD

Series 1 Episode 2

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.

Category: Drama / Science fiction
Original air date: 07/12/2025

Cast and crew

Dylan WilliamsDirector
Russell ToveyBarclay
Gugu Mbatha-RawSalt
Jemma RedgraveKate Lethbridge-Stewart
Alexander DevrientColonel Ibrahim
Ruth MadeleyShirley Ann Bingham
Colin McFarlaneGeneral Austin Pierce
Adrian Lukis
Patrick Baladi
Vincent Franklin
Francesca Corney
Iestyn Arwel
Hannah Donaldson
Manpreet Bachu
Ann Akinjirin

+ Show all cast and crew