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26 Things You Didn't Know About The X-Files 

Derrick Deane
110.4k views 26 items

Few television shows achieved the cult classic level of The X-Files. At one time, it was the longest running North American sci-fi TV show, and it still has legions of fans all over the world to this day. But what tiny trivia facts and behind-the-scenes tidbits might you have missed? Travel back in time with FBI agents Mulder and Scully, and find out about some cool X-Files trivia from one of the most popular '90s shows and most iconic television series of all time. 

The truth is in here as we reveal what prompted producer Chris Carter to create the show, how the iconic theme song came together, which actors the network wanted out, and much more on this list of X-Files facts.

This award-winning scifi series is wildly popular, but there are plenty of things you might not know about the beloved show. So read on and get to know The X-Files even better!

Gillian Anderson Spent Most Of Her Time Standing On A Box
Gillian Anderson Spent M... is listed (or ranked) 1 on the list 26 Things You Didn't Know About The X-Files
Photo: Fox

For many of the scenes, in which Mulder and Scully stood face-to-face, Gillian Anderson would stand on a box (she called it the "Gilly Board" to compensate for the ten-inch height difference with co-star David Duchovny (Anderson is 5'2", while Duchovny is 6"0").

The Opening Theme Was Created Almost By Accident
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Video: YouTube

After creating the whistling effect, composer Mark Snow was still stuck on the melody of the theme song. After Chris Carter had walked out of the room, Snow put his hand and forearm on the keyboard in frustration. The keyboard had been accidentally set to an echo effect. but Carter liked the sound. Combined with the whistling effect, a theme song for the show was born.

When It First Aired, 'Entertainment Weekly' Predicted An Early Cancellation
When It First Aired, 'En... is listed (or ranked) 3 on the list 26 Things You Didn't Know About The X-Files
Photo: Fox

Well, they missed this prediction by a lot. The X-Files would go on to be the longest-running North American sci-fi TV series before being surpassed by Stargate SG-1 in 2007. SG-1 was surpassed in 2011 by Smallville for the title.

Fox Wanted A Different Actress For Scully
Fox Wanted A Different A... is listed (or ranked) 4 on the list 26 Things You Didn't Know About The X-Files
Photo: Fox

Network executives originally wanted a "taller, leggier, blonder, and breastier" actress but series creator Chris Carter lobbied for the then unknown actress Gillian Anderson instead.