A television program is interrupted by a news network announcing that three meteors have hit the United States, France and China. At first, it seems natural but after interviews by scientists and eyewitness seems to suggest that it is not. Three more meteors are coming and the various Earth governments combine forces to stop them.
<email@example.com> (Helen Rapozo)
The most frightening cosmic event of the century.
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Did You Know?
Early in the film, the town "Grover's Mill," Wyoming is mentioned. "Grover's Mill," New Jersey was the landing site of the first cylinder in Orson Welles' radio broadcast "War of the Worlds," which was an inspiration for this movie. See more
In a scene that begins at 1h 5mins of the film, Dr. Robert Pearlman (played by Dennis Lipscomb) asserts that angles of meteors' trajectories match those of Pioneer spacecraft, as presented in the "pixelated message that was sent on Pioneer 11". What he refers to is actually Arecibo message, sent on 16 November 1974 by Arecibo Observatory in Puerto Rico. This message has never been put on any spacecraft, instead it was sent by means of modulated radio waves. Hence, the shape Pearlman refers to is of Arecibo Observatory's antenna, and not of Pioneer spacecraft as presented in the film.
This probably got confused with Pioneer plaque - an aluminium plaque that really was put on Pioneer 10 an 11 spacecraft, which were launched into space respectively 2 and 1 year before Arecibo message. The plaque and message, while having similar goal of communicating with potential extraterrestial intelligence, look very different from each other. See more
The final view of the great computer display at NASA when the many meteors appear resembles the screen in the video game Space Invaders. See more
The Madacy DVD, and so far the only known video release, has altered the film's opening slightly. Without Warning starts off with a "late, late show" movie playing before being interrupted by the news bulletins. At one point, the "film's credits" are displayed, giving direction credit to Mario Bava. These credits have been removed for the DVD. See more