The X-Files (1998)

Mulder and Scully must fight the government in a conspiracy and find the truth about an alien colonization of Earth. (IMDb) Also known as Fight the Future, the 1998 feature was directed by Rob Bowman and written by series creator Chris Carter with Frank Spotnitz, opening on a federal building bombing that pulls the agents back into the alien colonisation conspiracy and eventually as far as Antarctica. David Duchovny and Gillian Anderson lead as Fox Mulder and Dana Scully, with Mitch Pileggi as Assistant Director Skinner, John Neville as the Well-Manicured Man and William B. Davis as the Cigarette-Smoking Man. (Wikipedia)