The War Between the Land and the Sea “The End of the War” S1E5 21 December 2025 on BBC One

On Sunday 21 December 2025, BBC One broadcasts The War Between the Land and the Sea!

The End of the War Season 1 Episode 5 Episode Summary

The upcoming episode of “The War Between the Land and the Sea,” titled “The End of the War,” promises to be a thrilling climax to the series. Set to air on BBC One, this episode finds Barclay in a desperate situation. Standing alone, he faces overwhelming odds as the conflict between land and sea reaches its peak.

In this episode, Salt is lost, adding to the tension. Barclay’s mission to find Salt becomes urgent as the stakes rise. The threat of the oceans rising looms large, creating a sense of urgency that drives the plot forward. The audience will see how Barclay navigates this chaotic landscape while dealing with the challenges that come from betrayal and conspiracy.

Furthermore, UNIT, the organization that usually provides support, finds itself powerless in the face of this escalating crisis. This adds another layer of difficulty for Barclay as he must rely on his own strength and wit. The episode is set to explore themes of loyalty and sacrifice as Barclay races against time to save Salt and bring an end to the war.

As the episode unfolds, viewers can expect intense moments and unexpected twists. With the fate of both the land and the sea hanging in the balance, “The End of the War” is shaping up to be a must-watch event, filled with suspense and emotional depth. Fans of the series will not want to miss this pivotal chapter in the ongoing battle.

What Time is the “The End of the War” Episode On?

The The End of the War episode of The War Between the Land and the Sea will be broadcast on December 21 2025 on BBC One at 9:05 PM.

Is the “The End of the War” Episode New?

The The End of the War episode of The War Between the Land and the Sea is all new!

The War Between the Land and the Sea The End of the War Cast & Stars

Main Cast

The End of the War Episode Videos & Previews

Watch The War Between the Land and the Sea The End of the War Online

Watch the show online

The War Between the Land and the Sea Series Information

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.