After four months of heavy fighting, German commander Paulus and his troops had succeeded in pushing the Soviet's from out of the centre of the city and to within 800 metres of the Volga.

Victory seemed within their grasp, but what Paulus and Hitler didn't know was that Zhukov and Stalin were planning something that would change the battle, and the war - Operation Uranus.

Re-join our team of experts James Holland, Guy Walters, Iain MacGregor and Sarah Ashbridge as they continue to explore the personalities behind the battle and uncover the key moments & decisions that led to Stalin's ultimate victory over Hitler and the Nazis.