Bring home the thrilling spin-off series, plus a deep dive of special features, from February 2026.

Fans of the acclaimed new series The War Between the Land and the Sea in the UK can now relive the breathtaking battle for survival with the upcoming home entertainment release. Pre-order is available now ahead of the official release in February 2026 and will be available on DVD (3-disc set), Blu-ray Standard Edition (2-disc set), and a stunning Steelbook Edition (2-disc set), featuring the gripping five episodes and exclusive bonus material.

The War Between the Land and the Sea showcases Barclay (Russell Tovey), a low-level UNIT staff member whose ordinary life becomes a world of terror when an ancient species rises from the sea, triggering an international crisis. He becomes humanity’s ambassador when the mysterious Salt (Gugu Mbatha-Raw) emerges from the Tank at a summit on the Thames. And UNIT, led by Kate Lethbridge-Stewart (Jemma Redgrave), fights for control as humanity faces destruction. 

The War Between the Land and the Sea is available to pre-order from the following retailers:

Release Highlights:DVD Edition: 3 discs packed with exclusive extras.
 Blu-ray Standard & Steelbook Editions: 2 discs each, featuring the same content in high definition.Bonus Features:

Dive deeper into the world of ‘The War Between the Land and the Sea’ with an extensive collection of behind-the-scenes content, deleted scenes, and interviews. Highlights include:

‘Deep Dive’ Documentary – Access all areas: Go behind the scenes with cast and crew (~30 mins) 
 Character Dossiers: Barclay, Ibrahim, Kate, Salt & Homo Aqua
 Set Tours: Empress Hall and Homo Aqua Habitat
 Video Diaries: Alex and Homo Aqua
 Featurettes:
Interview with the Writers (~15 mins)
 Trailer
 Extended and deleted scenes for Episodes 1–4Exclusive to DVD, Blu-ray & Steelbook: Audio Commentaries for Episodes 1 & 3 by Russell T Davies, Pete McTighe and Jemma Redgrave
 The Sea Devils (2025 version) – a brand new 90-minute edit of the classic Third Doctor story

 

The War Between the Land and the Sea is available for preorder now and will release in February 2026 in the UK, available from the following retailers:

The final episode of the epic series will air this Sunday 21st December from 8.05pm on BBC iPlayer and BBC One.Â