Episode 16 of "The X-Files"
s01e16 Young At Heart

Title: Young At Heart

Original Air Date: 02/11/1994 on FOX

Director: Michael Lange
Writer: Chris Carter, Scott Kaufer

Guest Stars: Robin Mossley (Dr. Joe Ridley), David Peterson (old John Barnett), Merrilyn Gann (Prosecutor), Gordon Tipple (Joe Crandall), Graham Jarvis (Dr. Austin), Alan Boyce (young John Barnett), Christine Estabrook (Agent Henderson), Courtney Arciaga (Progeria Victim)