Skinner goes AWOL when his past comes back to haunt him. As Mulder and Scully try to track him down, their growing mistrust of him reaches its apex.

Cast: David Duchovny, Gillian Anderson, Mitch Pileggi, Brendan Patrick Connor, Patrick Keating, Jovan Nenadic, Haley Joel Osment, Johnson Phan, James Pickens Jr., Cory Rempel, Shane Symons