The War Between the Land and the Sea Synopsis
When a fearsome and ancient species emerges from the ocean, dramatically revealing themselves to humanity, an international crisis is triggered. UNIT must take action to prevent a global war once an ancient species, the Sea Devils, comes out from the sea.
The War Between the Land and the Sea Ended after Season 1
BBC One aired the final episode on Sunday 21st December 2025
The War Between the Land and the Sea Series Guide