In COLONIZATION Mulder's search for the truth suddenly seems near it's end when he and Scully meet Cassandra Spender. A multiple abductee, Cassandra believes that aliens came to Earth on a mission that has somehow gone terribly wrong. Actors: David Duchovny, Gillian Anderson Special Features: Full Frame Format. Language: English / Add. French, Spanish / Sub. English, Spanish Year: 1997 Runtime: 719 minutes.