
In 2022, 2001: A Space Odyssey placed in the top ten of Sight & Sound's decennial critics' poll, and topped their directors' poll. In 1991, it was selected by the United States Library of Congress for preservation in the National Film Registry. The film is now widely regarded as one of the greatest and most influential films ever made. It was nominated for four Academy Awards, winning Kubrick the award for his direction of the visual effects. Critics noted its exploration of themes such as human evolution, technology, artificial intelligence, and the possibility of extraterrestrial life. The film received diverse critical responses, ranging from those who saw it as darkly apocalyptic to those who saw it as an optimistic reappraisal of the hopes of humanity. The soundtrack incorporates numerous works of classical music, by composers including Richard Strauss, Johann Strauss II, Aram Khachaturian, and György Ligeti. Kubrick avoided conventional cinematic and narrative techniques dialogue is used sparingly, and there are long sequences accompanied only by music. The film is noted for its scientifically accurate depiction of space flight, pioneering special effects, and ambiguous imagery.

The film stars Keir Dullea, Gary Lockwood, William Sylvester, and Douglas Rain, and follows a voyage by astronauts, scientists and the sentient supercomputer HAL to Jupiter to investigate an alien monolith. Clarke also published a novelisation of the film, in part written concurrently with the screenplay, after the film's release. Clarke, and was inspired by Clarke's 1951 short story " The Sentinel" and other short stories by Clarke.

The screenplay was written by Kubrick and science fiction author Arthur C. 2001: A Space Odyssey is a 1968 epic science fiction film produced and directed by Stanley Kubrick.
