"Oppenheimer" is a 2023 epic biographical thriller film written and directed by Christopher Nolan). The movie is based on the 2005 biography "American Prometheus" by Kai Bird and Martin J. Sherwin, and it chronicles the career of J. Robert Oppenheimer, the American theoretical physicist credited with being the "father of the atomic bomb" for his role in the Manhattan Project). The film stars Cillian Murphy as Oppenheimer).

According to a review by PBS NewsHour Classroom, the movie tells the story of Oppenheimer in an order that the viewer would not expect. The first scene shows Oppenheimer at a 1954 security hearing, where he defends his loyalty to the United States against members of the government who are accusing him of communist sympathies. The movie then jumps back and forth between the hearing and the story of his life, through which he tries to explain his actions.

The film is described as "An IMAX-shot epic thriller that thrusts the audience into the pulse-pounding paradox of the enigmatic man who must risk destroying the world in order to save it".