Agents  Scully and  Doggett investigate the reappearance of a young boy kidnapped ten years ago, who returns to his family having not aged at all. Doggett takes a very personal interest in the case, and he and Scully discover that although the boy appears to be normal, things are not what they seem in the "Invocation" episode of THE X-FILES Sunday, Dec. 3 (9:00-10:00 PM ET/PT) on FOX. (XF-806) (TV-PG; L, V)

Cast: David Duchovny as Agent Fox  Mulder, Gillian Anderson as Agent Dana Scully, Robert Patrick as Agent John Doggett, Mitch Pileggi as Assistant Director Walter  Skinner

Guest Cast: Kyle and Ryan Pepi as Billy Underwood; Kim Greist as Lisa Underwood; Colton James as Josh Underwood; Erich Anderson as Doug Underwood; Stave Stapenhorst as Principal; Barry Cullison as Sheriff Sanchez; Sheila Shaw as Marcia Purnell; Rodney Eastman as Ronnie Purnell; Jim Cody Williams as Cal Jeppy; Maggie Baird as Sharon Pearl; Leslie Sachs as Lisa's friend; Jake Fritz as Luke Doggett