The World at War (1973โ74) Barbarossa (1973) | TV Episode | United Kingdom | B&W | Documentary, History, War | 52min | Stars: Laurence Olivier, Averell Harriman, John Russell | E5 | 28th November, 1973 5th May at 10am on Yesterday After dominating south-east Europe, Germany begins Operation Barbarossa, the massive invasion of the Soviet Union, which despite several quick victories ultimately stalls after a failed assault on Moscow during Russiaโs harsh winter