A vengeful ex-convict with a mutating secret taunts Mulder with cryptic threats, dragging him back into a botched prison experiment and a killer aging in reverse.
First aired: 1994-02-11
Director
Michael Lange
Writers
Chris Carter, Scott Kaufer
Guest cast
Jerry Hardin, Graham Jarvis, Christine Estabrook, Alan Boyce, Dick Anthony Williams, William B. Davis, Gordon Tipple, Merrilyn Gann, Robin Mossley, Robin Douglas, Courtney Arciaga, David Petersen