Zero Sum

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“Zero Sum”
The X-Files episode
Episode no.	Season 4 Episode 21
Guest stars	?
Written by	Howard Gordon & Frank Spotnitz
Directed by	Kim Manners
Production no.	4x21
Original airdate	April 27, 1997 (Fox)
Episode chronology
← Previous	Next →
"Small Potatoes"	"Elegy"

"Zero Sum" is the twenty-first episode of the fourth season of The X-Files. Agent Mulder launches a criminal investigation into a bizarre death which he finds has connections to A.D. Skinner. Meanwhile, Skinner makes his own deal with the devil in a desperate attempt to save Scully from the cancer that is taking over her body. Text taken from the Zero Sum summary here.

[edit] References and external links

The X-Files Season 4

Episode List | Official Website

Herrenvolk | Home | Teliko | Unruhe | The Field Where I Died | Sanguinarium | Musings of a Cigarette Smoking Man | Tunguska | Terma | Paper Hearts | El Mundo Gira | Leonard Betts | Never Again | Memento Mori | Kaddish | Unrequited | Tempus Fugit | Max | Synchrony | Small Potatoes | Zero Sum | Elegy | Demons | Gethsemane