Overview

• BBC One premiered the first teaser for War Between the Land and the Sea after Doctor Who’s season finale, offering a glimpse of the miniseries’ oceanic conflict.
• The five-part series is created by Russell T Davies and Pete McTighe, directed by Dylan Holmes-Williams, and is currently in pre-production ahead of its 2026 premiere.
• The plot centers on the Sea Devils, an ancient aquatic species that awaken from hibernation to wage war on humanity, triggering an international crisis.
• Russell Tovey and Gugu Mbatha-Raw lead as new characters Barclay and Salt, joined by returning UNIT members Jemma Redgrave, Alexander Devrient, Ruth Madeley, and Colin McFarlane.
• The teaser underscores environmental themes as UNIT confronts the Sea Devils’ reaction to humanity’s impact on the oceans.