The highly anticipated Doctor Who spin-off, The War Between the Land and the Sea, will premiere this weekend, featuring the return of the iconic Sea Devils and a looming global conflict. Created by Russell T Davies, the five-episode series centers on the Unified Intelligence Taskforce (UNIT) as low-level staffer Barclay, played by Russell Tovey, finds himself at the heart of a struggle that could determine the fate of humanity.
The series will debut on Sunday, December 7, 2025, with a double episode airing on BBC One and available for streaming on the BBC iPlayer starting at 20:30 BST (3:30 PM ET, 12:30 PM PT). Following the initial release, a new episode will be made available each subsequent Sunday, culminating in the five-episode event that promises to engage both long-time fans and newcomers alike.
For audiences in the US and other international regions, The War Between the Land and the Sea will be available on Disney+ at a date yet to be announced in 2026.
Characters and Plot Overview
In this thrilling narrative, Gugu Mbatha-Raw portrays Salt, a member of the Sea Devils whose objectives are intricately linked to Barclay’s journey. Fans of the Doctor Who franchise may recognize Mbatha-Raw for her earlier role as Tish Jones during the era of David Tennant.
Returning to the series as well is Jemma Redgrave, reprising her role as Kate Lethbridge-Stewart, who leads UNIT’s efforts to thwart the impending destruction. The cast also includes Ruth Madeley, Colin McFarlane, and Alexander Devrient, who play key roles within the organization.
According to Russell T Davies, the aim of this spin-off is to provide fans with a consistent dose of Doctor Who content while also creating an engaging binge-watching opportunity for the holiday season. The series is positioned as a bridge between the classic elements of Doctor Who lore and modern storytelling.
Viewing Options and Recommendations
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As the premiere date approaches, excitement builds around The War Between the Land and the Sea. With its rich array of characters, intricate plotlines, and the promise of high-stakes drama, this series is set to captivate audiences globally.
