Christopher Nolan is an extraordinarily talented filmmaker, and also his movies are often just plain exhausting. Here he tackles the 1940 evacuation of British troops from France, intertwining three narratives covering different time frames: a British private (Fionn Whitehead) trying to find transport home from the beach at Dunkirk; a British man (Mark Rylance) bringing his private boat across the Channel as part of the conscripted civilian fleet assisting in the evacuation; and a British Spitfire pilot (Tom Hardy) providing…

Luc Besson has made a career out of writing and/or directing movies that are deeply dumb but often cool-looking enough to be weirdly engaging. Here he takes on a French graphic novel series set 500 years in the future, where government agents Valerian (Dane DeHaan) and Laureline (Cara Delevigne) investigate a mysterious threat to a metropolis space station that is home to multiple alien races. Besson makes the clunkiest possible attempt to manufacture a romance between his two protagonists out…