Mulder and Scully rush to find an on-the-run William while the Cigarette Smoking Man pushes forward with his ultimate plan.

Cast: David Duchovny, Gillian Anderson, Mitch Pileggi, Mark Acheson, Madeleine Arthur, Rogan Christopher, Ben Cotton, William B. Davis, West Duchovny, Austin Dunn, Annabeth Gish, Barbara Hershey, Bentley Hixson, Sarah Jeffery, Henry Mah