“Klaatu Barada Nikto!” is a famous phrase from the 1951 science fiction film The Day the Earth Stood Still, directed by Robert Wise and based on the 1940 short story “Farewell to the Master” by Harry Bates. In the film, the alien visitor Klaatu (played by Michael Rennie) instructs his robot companion Gort to stop its destructive rampage with this command,
