David Duchovny, Martin Landau, William B. Davis, Blythe Danner, Jeffrey DeMunn, Gillian Anderson, Mitch Pileggi, John Neville, Terry O'Quinn, Tom Braidwood
Mulder and Scully, now taken off the FBI's X Files cases, must find a way to fight the shadowy elements of the government to find out the truth about a conspiracy that might mean the alien colonization of Earth.