Miniseries
An intimidating, ancient species surges from the depths, making a dramatic reveal to humanity and sparking an international crisis. With the entire population at risk, UNIT steps into action as land and sea forces wage war.
20255 EpisodesSci-Fi & Fantasy, Drama
Cast & Crew
Episode Guide
Barclay's ordinary life descends into a nightmare world as an ancient species surges from the sea. As UNIT contends for control, a Thames-side summit uncovers chilling secrets.
Miniseries FAQs
The cast of Miniseries includes Jemma Redgrave as Kate Lethbridge-Stewart, Russell Tovey as Barclay Pierre-Dupont, Gugu Mbatha-Raw as Salt, and Ruth Madeley as Shirley Bingham.
Episodes run about 47 mins. The total runtime is about 3h 57 mins.
Miniseries was released on 07 Dec 2025.
Miniseries has 5 episodes on Fanbiz.