Okay, Mulder, but I'm warning you, if this is monkey pee, you're on your own. - Dana Scully
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I've always been intrigued by women named B.J. - Fox Mulder
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Whatever tape you found in the VCR, it isn't mine. - Fox Mulder
Good, because I put it back in that drawer with all those other videos that aren't yours. - Dana Scully
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I would never lie. I willfully engaged in a campaign of misinformation. - Fox Mulder

You know Frohike, it's men like you that give perversion a bad name. - Fox Mulder

[quote=
shaatan
I would never lie. I willfully engaged in a campaign of misinformation. - Fox Mulder

I think I found a new catch phrase!

Clyde Bruckman (can psychically 'see' how someone will die) - You know, there are worse ways to go, but I can't think of a more undignified way than auto-erotic asphyxiation.
Fox Mulder - Why are you telling me that?
Clyde - Look, forget I mentioned it. It's none of my business.

Sorry could only find the trailer to the episode, not the actual clip - but it's implied at the end.
http://www.youtube.com/watch?v=Lp4jCP2qQ0c