A tip from Krycek leads Mulder and Scully to a Martian meteorite fragments containing an alien life form.



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Episode complete credited cast:
Stress Man
Campbell Lane ...


Scully and Mulder participate in a raid on a group of right-wing extremists who are obviously planning an attack of some kind. Mulder has been receiving anonymous notes from someone who knows of the plan. When they stop the terrorists, one of the men turns out to be Mulder's old nemesis Alex Krycek, who claims to be the person who was feeding him information. Meanwhile, a diplomatic courier is caught smuggling a mineral-like object into the United States. Mulder contacts Marita Covarrubias of the UN to learn more about its origin. He and Krycek are soon on their way to Russia. Written by garykmcd

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Release Date:

24 November 1996 (USA)  »

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Technical Specs


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Aspect Ratio:

1.33 : 1
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Did You Know?


The glass on the french doors in Marita Covarrubias' NY apartment is the same glass pattern used on the doors of the religious cult compound in a previous episode entitled "The Field Where I Died". See more »


After Mulder gets his travel documents for Tunguska, he drives away in the car with Krychek still handcuffed to the steering wheel. It would have been impossible for him to make any turns. See more »


Fox Mulder: [shoving Krycek's face away roughly] Stupid ass haircut!
See more »


References It's the Great Pumpkin, Charlie Brown (1966) See more »

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User Reviews

Wars have broken out over far less, Mr. Skinner. Far far less.
9 February 2009 | by (Sandy, UT, United States) – See all my reviews

Tunguska is the first in one of season 4's two parter mythology series. It is also the first episode I think of in regards to the black oil storyline. The beginning of the episode shows a man harassed but the customs officers in an airport. And yes I say harassed for a reason. I mean when someone tells you to be careful with something because its dangerous the last thing you want to do is drop it on the floor so it can infect you. If that had been say a zombie virus or something then that guy would have caused an even bigger problem than he did. The first episode is exciting and action packed with chases and viruses and Krycek hanging from the balcony of Skinner's apartment and the like. Krycek and Mulder travel together to Russia in hopes of finding some answers about the origin of the black oil virus and are captured by a group who use their prisoners as test subjects by infecting them with the oil. The ending is a cliffhanger with Mulder among those being infected. I enjoy the action and excitement of the episode. I give it a 8 out of 10.

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