Top Films about UFO's

Alien - 1979
E.T. The Extra Terrestrial - 1982
Close Encounters of the Third Kind - 1977
Independence Day - 1997
War of the Worlds - 1953
The Day the Earth Stood Still - 1951
Invasion of the Body Snatchers - 1956
The Thing from Another World - 1951
Men in Black - 1997