Christopher Nolan's 'Oppenheimer' Leaves Viewers Devastated and Speechless.

Christopher Nolan warns that his upcoming film "Oppenheimer" may emotionally devastate viewers, with some leaving screenings unable to speak. The film follows J. Robert Oppenheimer as he creates the atomic bomb to end World War II. Nolan describes the film as an intense experience and even a horror movie. Despite the difficult ethical dilemmas presented in the story, Nolan hopes the film will prompt discussion and leave viewers with questions to ponder. "Oppenheimer" stars Cillian Murphy, Emily Blunt, Matt Damon, Robert Downey Jr., and Florence Pugh and is set to release on July 21.