Season 1
5 episodes · first aired 2025-12-07
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Homo Aqua 2025-12-07 | Barclay's ordinary life becomes a world of terror when an ancient species rises from the sea. As UNIT fights for control, the summit on the Thames reveals terrifying secrets. | 2025-12-07 | 6.3 |
 | 02 | Plastic Apocalypse 2025-12-07 | Barclay becomes humanity's ambassador when the mysterious Salt emerges from the Tank. But his family's life is torn apart when Salt wreaks revenge upon all mankind. | 2025-12-07 | 6.2 |
 | 03 | The Deep 2025-12-14 | Barclay makes a terrifying descent into the world of Homo Aqua. Back on the land, Kate stands alone as Downing Street conspires with the army to change the course of the war. | 2025-12-14 | 5.6 |
 | 04 | The Witch of the Waterfall 2025-12-14 | Barclay and Salt go on the run in a war-torn London as UNIT reels from disaster. But when Tide threatens the land and Gunsberg advances his plans, the Severance schemes demand blood. | 2025-12-14 | 5.4 |
 | 05 | The End of the War 2025-12-21 | Barclay stands alone, Salt is lost, UNIT is powerless, and the oceans rise as the war reaches its climax. While traitors conspire, can Barclay find Salt before it's too late? | 2025-12-21 | 4.9 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.