The War Between the Land and the Sea is an upcoming sci-fi drama series created by Russell T Davies for BBC One and Disney+. The show is part of the Whoniverse and follows UNIT, a global team working to stop a new war when an ancient ocean species rises again.
The series stars Jemma Redgrave, Alexander Devrient, Cat Gannon, Russell Tovey, and Gugu Mbatha-Raw. Here is everything you need to know about its filming locations and behind-the-scenes details.
The story begins when a dangerous and mysterious species appears from the deep ocean. Their arrival sends the world into panic. As people fear for their lives, UNIT steps in to protect Earth before the land and sea fall into a full-scale war.
The BBC has set the series premiere for December 7, 2025, in the UK. The series will stream on BBC One, BBC iPlayer, and Disney+ internationally.
Table of Contents
When and Where Was The War Between the Land and the Sea Filmed?
| Film Name | The War Between the Land and the Sea |
|---|---|
| Genres | Sci-Fi, Drama, Adventure |
| Filming Locations | Wales, London, Mallorca (Spain) |
| Filming Dates | August 29, 2024 – December 10, 2024 |
| Cinematography by | Not Announced |
| Release Date | December 7, 2025 |
The series was filmed in Wales, London, and Spain, using both modern city spots and natural landscapes. Filming started on August 29, 2024, and wrapped on December 10, 2024. All five episodes were shot together, making production fast and smooth.
📍Barry, Wales
Barry’s peaceful coastline and open spaces were used for early outdoor scenes in the story. The area’s natural seaside beauty helped show how the quiet land begins to change when the sea creatures appear. The coastal views made the scenes feel real and dramatic.
📍Atlantic Wharf, Cardiff
Atlantic Wharf offered a modern city look for UNIT’s operations. Its tall buildings and busy streets made the perfect backdrop for the organization’s high-tech work. The area helped show the serious level of control and planning needed during the crisis.
📍Welsh Government Building, Cardiff
This strong and official-looking building was used for scenes where leaders discuss the rising danger. Its design gave the show an important and powerful atmosphere as characters made big decisions that could save or destroy the world.
📍City Arms Pub, Cardiff
Some quiet and personal moments were filmed inside the City Arms Pub. The warm and simple setting helped show the human side of the characters as they faced fear and confusion during the growing sea-land conflict.
📍Hodge House, Cardiff
This stylish office building gave the series a clean, modern feel. Important interior scenes were filmed here, especially those showing UNIT’s planning and investigations.
📍Merthyr Mawr, Wales
This natural spot with sand dunes and green land was used for scenes involving mystery and hidden discoveries. Its unique landscape added an eerie feeling, perfect for a story about creatures rising from the deep.
📍Cardiff City Hall
Cardiff City Hall’s grand architecture was used for high-level scenes filmed in October. Its impressive look helped show important public events and tense government meetings.
📍National Museum Cardiff
This location added a historic and academic background to some scenes. It may be connected to the study of the ancient sea species, giving the story depth and mystery.
📍Town Bridge, Newport
In November, scenes of tension and arguments between characters were filmed on this bridge. The open space and river views helped build drama and urgency.
📍St. Paul’s Cathedral, London
Some scenes were filmed around the famous St. Paul’s Cathedral. Its stunning architecture added a powerful and high-stakes vibe to the story.
📍Mallorca, Spain
The sunny island of Mallorca was used to show bright, wide, and international scenes. Its sea views may be connected to the hidden world of the Sea Devils. The warm colors and landscapes added a beautiful contrast to Wales’s darker tones.
Stay tuned! More updates and new locations will be added when available.
Is There Any Trailer Available for The War Between the Land and the Sea?
Yes! The official trailer for The War Between the Land and the Sea has been released on the BBC’s YouTube channel.
The War Between the Land and the Sea is on December 7, 2025, on BBC One, BBC iPlayer, and Disney+.
FAQs
Q1: Where was The War Between the Land and the Sea filmed?
A1: It was filmed in Wales, London, and Mallorca, Spain. These places were chosen to show both modern cities and natural sea landscapes.
Q2: What scenes were filmed in Barry, Wales?
A2: Several outdoor scenes showing the calm seaside before danger strikes were filmed in Barry because of its beautiful coastal views.
Q3: When did the filming for The War Between the Land and the Sea begin?
A3: Filming started on August 29, 2024, and ended on December 10, 2024.
Q4: Can I visit the filming locations of the series?
A4: Yes! Places like Barry, Cardiff City Hall, National Museum Cardiff, and St. Paul’s Cathedral are open to visitors. Mallorca is also a great travel spot.
This guide covers all the major filming locations and behind-the-scenes details of The War Between the Land and the Sea.
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