The War Between the Land and the Sea The Deep

Episode 3 of 5 from The War Between the Land and the Sea

Sunday, 14th December 2025 8:30PM BBC One (44 mins)

The Deep Synopsis

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.

Episode Order

Episode 3 from The War Between the Land and the Sea
Episode 3 of 5 from

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