When a fearsome and ancient species emerges from the ocean, dramatically revealing themselves to humanity, an international crisis is triggered. With the entire population at risk, UNIT step into action as the land and sea wage war.
Not streaming on a subscription service in the US right now.
Starring Russell Tovey, Gugu Mbatha-Raw, Jemma Redgrave, Ruth Madeley, George Robinson, Barbara Probst, Alexander Devrient, Gethin Alderman, Charles Sandford, Stewart Alexander