After a doctor loses control and kills a patient on the operating table, Scully hypothesizes that it's linked to work-related stress, while Mulder is convinced of a more sinister reason. After he finds a link between the victim and the four witches Sabbaths, he suspects that a nurse may be practicing witchcraft.
Quest roles:
Paul Raskin(Dr. Eric Ilaqua), Greg Thirloway(Dr. Mitchell Kaplan), Richard Beymer(Dr. Jack Franklin), O-Lan Jones(Nurse Rebecca Waite), Andrew Arlie(Attorney), John Juliani(Dr. Harrison Lloyd), Nancy J. Lilley(Liposuction Patient (uncredited)), Celine Lockhart(The Skin-Peel Patient (uncredited)), Arlene Mazerolle(Dr. Shannon), Nina Roman(Jill Holwagerm (uncredited)), Marie Stillin(Dr. Sally Sanford)