The Day the Earth Stood Still (1951)
12-month trend
12-month trend
Monthly article views
2025-09 to 2026-08
A humanoid alien visitor arrives on Earth with a powerful robot to deliver a message that could determine the fate of the human race.
The story
Set in the Cold War during the early stages of the nuclear arms race, the film follows a humanoid alien visitor who lands in the National Mall in Washington, D.C. Accompanied by a powerful robot named Gort, the alien, known as Klaatu, seeks to deliver a vital message to the world's leaders. After being injured by a soldier, Klaatu is hospitalized while Gort remains outside. As the government struggles to communicate with the visitor, Klaatu seeks to understand human behavior by interacting with ordinary people, including a local woman and her son, while the world faces the consequences of its own technological advancements.
Full plot (contains spoilers)
After a flying saucer lands in Washington, D.C., a humanoid alien named Klaatu and his robot, Gort, arrive to deliver a message to world leaders. Klaatu is wounded by a soldier and hospitalized while Gort stands guard. To better understand humanity, Klaatu spends time with a local woman, Helen, and her son, Bobby. He eventually meets Professor Barnhardt, a scientist who agrees to help relay the message. Klaatu warns that Earth's use of atomic power has alarmed other planets; if the message is ignored, Earth faces elimination. During a confrontation, Klaatu is shot and killed by the military. Helen, following his instructions, uses the phrase 'Klaatu barada nikto' to command Gort, who revives him. Together, they reach the gathered scientists. Klaatu delivers his final ultimatum: humanity must choose to join an interplanetary peace or face destruction. He and Gort then depart in their saucer.
- Original title
- The Day the World Stops
- First release year
- 1951
- Runtime (minutes)
- 92
- Production countries
- United States
- Original languages
- English
- Directors
- Robert Wise
- Writers
- Edmund H. North · screenplay
- Cast and characters
- Michael Rennie · Klaatu; Patricia Neal · Helen Benson; Hugh Marlowe · Tom Stevens; Sam Jaffe · Professor Jacob Barnhardt; Billy Gray · Bobby Benson; Frances Bavier · Mrs. Barley; Lock Martin · Gort
- Genres
- science fiction
- Themes
- peace; understanding; anti-war; nuclear disarmament
- Tone and mood
- serious; suspenseful
- Premise and plot tags
- alien visitation; robot; first contact
- Source material / true-story basis
- Farewell to the Master by Harry Bates
- Reception
- The film was well-received for its serious tone and special effects, though some critics found it moralistic. It was a commercial success and received international acclaim, including a Golden Globe for promoting international understanding.
- Reported review scores
- Rotten Tomatoes · score: 92% · scale: percentage · review count: 112
- Awards and nominations
- Golden Globe · promoting international understanding · win
- Production trivia
- The original title was 'The Day the World Stops'.; The phrase 'Klaatu barada nikto' became a staple of science fiction.; The film's set was influenced by the architecture of Frank Lloyd Wright.
Film metadata comes from the open sources listed in Credits & Contact. Catalogue details may be incomplete.
Your lists
Loading your lists…