S4, E19: When several research scientists are found frozen to death, Mulder and Scully being to suspect the murders may have been committed by a time traveler from the future.
Jed Rees
Joseph Fuqua
Michael Fairman
Brent Chapman
Eric Buermeyer
Susan Hoffman
Hiro Kanagawa
Patricia Idlette
Austin Basile
Jonathan Walker
Alison Matthews