Probe yourself and watch:
The Day the Earth Stood Still (dir. Robert Wise, 1951; USA)
It Came From Outer Space (dir. Jack Arnold, 1953; USA)
Forbidden Planet (dir. Fred M. Wilcox, 1956; USA)
2001: A Space Odyssey (dir. Stanley Kubrick, 1968; UK/USA)
Dark Star (dir. John Carpenter, 1974; USA)
The Man Who Fell to Earth (dir. Nicolas Roeg, 1976; UK)
Close Encounters of the Third Kind (dir. Steven Spielberg, 1977; USA)
Alien (dir. Ridley Scott, 1979; UK/USA)
E.T. The Extra-Terrestrial (dir. Steven Spielberg, 1982; USA)
The Thing (dir. John Carpenter, 1982; USA)
Predator (dir. John McTiernan, 1987; USA)
Mac and Me (dir. Stewart Raffill, 1988; USA)
Fire in the Sky (dir. Robert Lieberman, 1993; USA)
Mars Attacks! (dir. Tim Burton, 1996; USA)
Waiting for Guffman (dir. Christopher Guest, 1996; USA)
Starship Troopers (dir. Paul Verhoeven, 1997; USA)
Men in Black (dir. Barry Sonnenfeld, 1997; USA)
Contact (dir. Robert Zemeckis, 1997; USA)
District 9 (dir. Neill Blomkamp, 2009; South Africa/USA/New Zealand/Canada)
Under the Skin (dir. Jonathan Glazer, 2013; UK/USA/Switzerland/Poland)
Midnight Special (dir. Jeff Nichols, 2016; USA/Greece)
Arrival (dir. Denis Villeneuve, 2016; USA)
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