Episode:The Enemy Within

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For other uses, see Enemy.

"The Enemy Within"
An episode from Stargate SG-1
Teal'c facing Major Kawalsky who has been possessed by a Goa'uld.
Episode Nb	Season 1 Episode 03
Directed by	Dennis Berry
Written by	Brad Wright
Produced by	Ron French
Director of photography	Peter F. Woeste
Edited by	Charles E. Robichaud
Production code	3955
Original air date	(1997-08-01) USA: August 1, 1997 (1998-04-15) UK: April 15, 1998
Length	42'24"
Guest starring
Jay Acovone as Major Charles Kawalsky Kevin McNulty as Dr. Warner Gary Jones as Technician and Alan Rachins as Colonel Kennedy
Episode chronology
"Children of the Gods" "Emancipation"

Meanwhile Stargate Command and military decide of Teal'c's fate, a near mature Goa'uld symbiote is taking Major Kawalsky's body control. The SGC must find a way to remove it without killing the Major.

"The Enemy Within" is the 3rd episode of Stargate SG-1 Season 1.

Summary

• The Goa'uld try to come by force in Stargate Command.
• Major Charles Kawalsky suffers from painful headaches.
• Teal'c's fate is suspended.
• An intruder slowly but surely takes control of a close friend of Jack O'Neill.

Story

Teaser

• Major General Hammond introduces to Colonel O'Neill and Major Kawalsky the possible future destinations for SG-1 and SG-2, calculated by Captain Carter's team; planets P3-575 and P3A-577. Daniel Jackson is also present in the room. According to the General, the two teams will occure concurently. O'Neill and Kawalsky tease each other regarding the choice of who's going where.
• When General Hammond put things right stating that he's the one who chooses, the Stargate's inner ring starts to spin. Master Sergeant Harriman announces inboud travelers then asks the closing of the iris. Hammond order to set the defense team and asks Harriman to set the self-destruct countdown to three minutes.
• When the wormhole is established, many thuds are heared against the iris. Kawalsky refuses to go anywhere as long as the Goa'uld keep their attacks. Daniel thinks that they cannot maintain this indefinitely. When Carter thinks they shoud give up when they realise that their shield is unpenetrable, Kawalsky says that, some part of him would like to let them come in to have the fight they're looking for.
• The wormhole disengaged, Harriman orders the radiation team to check the Stargate perimeter. O'Neill thinks there are some worse way to come. Daniel asks O'Neill if he doesn't think they're sending people through. O'Neill answers they're would be like bugs on a windshield. The radiation team reports all is clear. Then Hammond orders the defense team to stand by and Harriman to reset the countdown.
• Suddenly, Kawalsky holds his neck and O'Neill asks what's the matter. Kawalsky says he has a headache and took a fistfull of aspirin with no effect at all. O'Neill orders him to be checked at the infirmary. Kawalsky asks permission to General Hammond. Hammond agrees and tell him he absolutely needs him to take command of the team on P3-575. When Kawalsky leaves, he gives a small friendly fist's hit on O'Neill's belly.
• When Kawalsky gone, the Stargate activates once again. Hammond put the base on alert and orders Harriman to restart the coundown. Daniel asks Carter if the iris is gonna hold. Carter replies it's pure titanium, less than three micrometers from the event horizon, making the reintegration of the matter impossible. Then O'Neill asks to Carter if the iris is gonna hold. Carter replies that if not, the safe device will detonate, the mountain will vaporise and there will be nothing to worry about. O'Neill ironicaly replies he feels much better.

Analysis

• One doesn't know how much time did exactly passed since the return from Chulak ("Children of the Gods") and the several Goa'uld attempts to invade Earth by the Stargate. It seems to be a short period of time, yet this period seems to be long enough to let the refugees come back home.
• The iris which has been installed on the Stargate is made of pure titanium and placed at three micrometers from the event horizon. It won't allow matter to fully reintegrate when getting out of the wormhole and then provokes the instant death of all living beings who dare to pass through a closed iris.
• Stargate Command has a configurable self-destruct device powerful enough to "vaporize" the whole mountain (according to Samantha Carter's comments), avoiding any intrusion by the Stargate which would be effectively buried.
• According to Kawalsky's ECG, events occur on April 3, 1997.