Jay Leno: So it turns out there's life on other planets. Boy, this is really going to change the Miss Universe contest, you know what I mean? — Contact (1997)
Clark: I dunno what the hell's in there, but it's weird and pissed off, whatever it is. — The Thing (1982)
Brett: Here kitty, kitty, kitty. Meaow. Here Jonesy. — Alien (1979)
Imam: Where's Johns? Riddick: Which half? — Pitch Black (2000)
Poncho: Major, you'd better take a look at this. Dutch: Did you find Hawkins? Poncho: I... I can't tell. — Predator (1987)
Col. Quaritch: You are not in Kansas anymore. You are on Pandora, ladies and gentlemen. Respect that fact every second of every day. If there is a Hell, you might want to go there for some R & R after a tour on Pandora. Out there beyond that fence every living thing that crawls, flies, or squats in the mud wants to kill you and eat your eyes for jujubes. — Avatar (2009)
Automated MNU Instructional Voice: [in MNU Humvee] When dealing with aliens, try to be polite, but firm. And always remember that a smile is cheaper than a bullet. — District 9 (2009)
Ripley: I say we take off and nuke the entire site from orbit. It's the only way to be sure. — Aliens (1986)
Rockhound: You know we're sitting on four million pounds of fuel, one nuclear weapon and a thing that has 270,000 moving parts built by the lowest bidder. Makes you feel good, doesn't it? — Armageddon (1998)
Ghostly Image: It is most gratifying that your enthusiasm for our planet continues unabated. As a token of our appreciation, we hope you will enjoy the two thermonuclear missiles we've just sent to converge with your craft. To ensure ongoing quality of service, your death may be monitored for training purposes. Thank you. — The Hitchhiker's Guide to the Galaxy (2005)
Hoban 'Wash' Washburn: Can I make a suggestion that doesn't involve violence, or is this the wrong crowd for that? — Serenity (2005)
Fog: We're sending somebody in to negotiate! [Corben walks into the room and shoots Aknot between the eyes. As he falls, the other Mangalores drop their weapons and bow over him, keening] Korben Dallas: Anybody else want to negotiate? Fog: Wh-where did he learn to n-negotiate like that? President Lindberg: [looking at General Munro] I wonder. — The Fifth Element (1997)
Fry: Is he really that dangerous? Johns:Only around humans. — Pitch Black (2000)