Darkest Hour [4K Ultra HD Blu-ray/Blu-ray]

This historical drama from director Joe Wright focuses on the trials of Winston Churchill (Gary Oldman) soon after he becomes prime minister of the U.K. in 1940. With Nazi armies rolling through Europe, Churchill must figure out how to rally the nation to action while many of his contemporaries advocate peace talks with Hitler. Kristin Scott Thomas, Lily James, Stephen Dillane, Ronald Pickup, and Ben Mendelsohn co-star.