Mistakes
Crashing a reaper into a tank would not make the tank explode. In fact it would barely scratch it. The technology required to pierce tank armor is very complex. Simply crashing a large UAV into it will not work. See more...
Trivia
When Klaatu is shown on the tv as an escaped convict, the phone number shown to call to report him is not the usual 1-800-555 number, rather it is 1-800-472-0391 which is the Alaska Weather Information Hotline. See more...
Movie Mistakes blog
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The Day the Earth Stood Still (2008) - 6 quotes
starring Jennifer Connelly, John Cleese, Kathy Bates, Keanu Reeves, Jaden Smith (add more)
Jacob Benson: I told Helen we should kill you.
Klaatu: Yes, I heard that.
Jacob Benson: I didn't mean it though.
Klaatu: You didn't?
Jacob Benson: Well not anymore. So what's going to happen to us?
Klaatu: I was just wondering the same thing.
Helen Benson: Have you done your homework?
Jacob Benson: School's canceled on account of the aliens.
John Driscoll: So is it a machine or a living thing?
Flash Chamber Colonel: Both. Or neither.
John Driscoll: What do you mean 'neither'?
Flash Chamber Colonel: It seems to be some sort of silicone-based hybrid. We're calling it GORT: Genetically-Organized Robotic Technology.
John Driscoll: The military and their acronyms...
Klaatu: There are some things I can't do.
Jacob Benson: But you have powers.
Klaatu: I'm sorry.
Jacob Benson: Please. Please!
Klaatu: Jacob, nothing ever truly dies. The universe wastes nothing. Everything is simply, transformed.
Jacob Benson: Just leave me alone.
Klaatu: If the Earth dies, you die. If the human race dies, the Earth survives.
Polygraph Operator: I'm going to ask you a series of control questions. Are you currently in a seated position?
Klaatu: Yes.
Polygraph Operator: Are you human?
Klaatu: My body is.
Polygraph Operator: Do you feel pain?
Klaatu: My body does.
Polygraph Operator: Are you aware of an impending attack on the planet earth?
Klaatu: You should let me go.