10 mejores películas de ciencia ficción por @sanabritis

1	Watchmen (2009) Zack Snyder Jackie Earle Haley, Malin Akerman, Billy Crudup, Matthew Goode, Jeffrey Dean Morgan, Patrick Wilson, Carla Gugino, Matt Frewer, Stephen McHattie, Laura Mennell	10
2	Alien, el octavo pasajero (1979) Ridley Scott Sigourney Weaver, John Hurt, Yaphet Kotto, Tom Skerritt, Veronica Cartwright, Harry Dean Stanton, Ian Holm	10
3	Blade Runner (1982) Ridley Scott Harrison Ford, Rutger Hauer, Sean Young, Daryl Hannah, Edward James Olmos, Joanna Cassidy, Brion James, Joe Turkel, M. Emmet Walsh, William Sanderson	10
4	2001: Una odisea del espacio (1968) Stanley Kubrick Keir Dullea, Gary Lockwood, William Sylvester, Daniel Richter, Laonard Rossiter, Margaret Tyzack, Robert Beatty, Sean Sullivan, Frank Miller, Penny Brahms	9
5	E.T., el extraterrestre (1982) Steven Spielberg Henry Thomas, Dee Wallace, Robert MacNaughton, Drew Barrymore, Peter Coyote, C. Thomas Howell, K.C. Martel, Sean Frye, Erika Eleniak	8
6	12 monos (Doce monos) (1995) Terry Gilliam Bruce Willis, Madeleine Stowe, Brad Pitt, Christopher Plummer, Jon Seda, Joseph Melito, David Morse, Michael Chance, Vernon Campbell, H. Michael Walls	8
7	Encuentros en la tercera fase (1977) Steven Spielberg Richard Dreyfuss, Teri Garr, Melinda Dillon, François Truffaut, Cary Guffey, Bob Balaban, J. Patrick McNamara, Shawn Bishop, Lance Henriksen	8
8	Aliens: el regreso (1986) James Cameron Sigourney Weaver, Paul Reiser, Lance Henriksen, Michael Biehn, Bill Paxton, Carrie Henn, William Hope, Jenette Goldstein, Al Matthews, Mark Rolston	8
9	Desafío total (1990) Paul Verhoeven Arnold Schwarzenegger, Sharon Stone, Michael Ironside, Rachel Ticotin, Ronny Cox, Marshall Bell, Mel Johnson Jr., Michael Champion	7
10	Donnie Darko (2001) Richard Kelly Jake Gyllenhaal, Maggie Gyllenhaal, Patrick Swayze, Jena Malone, Mary McDonnell, Drew Barrymore, Holmes Osborne, Noah Wyle, Katharine Ross, Daveigh Chase	7