S4E21

Zero Sum

The X-Files

calendar_todayApr 27, 1997 schedule45 min star7.9

After a swarm of bees mysteriously kill a postal worker in an enclosed restroom, Assistant Director Skinner covers it up by destroying the evidence. In order to complete the task he poses as Agent Mulder, however his deception backfires. When Mulder finds out and confronts him, Skinner reveals that he is working for the Cigarette-Smoking Man in order to obtain a possible cure for Scully's cancer.

broadcast_on_home Networks

FOX

star Guest Stars

Mitch Pileggi

Mitch Pileggi

Walter Skinner

William B. Davis

William B. Davis

Cigarette Smoking Man

Laurie Holden

Laurie Holden

Marita Covarrubias

person

Nicolle Nattrass

Misty Nagata

person

Theresa Puskar

Mrs. Kemper (uncredited)

John Moore

John Moore

2nd Elder (uncredited)

person

Allan Gray

Dr. Peter Valedespino

Fred Keating

Fred Keating

Ray Thomas

person

Lisa Stewart

Jane Brody

person

Christopher Newton

Photo Technician

person

Marites Pineda

Crying Girl (uncredited)

Barry Greene

Barry Greene

Dr. Emile Linzer