Doctor Who episodes broadcast on December 14th

Episode 4 of 5 from The War Between the Land and the Sea
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.

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

Bellboy and Flowerchild escape the Psychic Circus but are pursued by the Chief Clown.

The world's population is unconscious and the Cybermen invade in force.

Episode 4 of 4 from An Unearthly Child
Kal has been banished from the tribe and Ian is making fire for Za in the hope that he will be grateful.