mentioned in s07 e19 "hollywood a.d." when mulder tells scully that he has seen this movie 42 times already 

"who is it?" "steven spielberg" (s01 e01 pilot)

"so have you had any close encounters of the third kind?" (s01 e03 squeeze)

in s03 e20 "jose chung's "from outer space"" they mention "men in black"

inspired s01 e08 "ice"

actually mentions the x-files at the beginning of the movie ("yeah, i love x-files, too. i hope you get to see it.")

"you must have really liked the exorcist." "one of my favorite movies." (s01 e18 miracle man)

referenced in s05 e12 "bad blood"

<p>referenced in s05 e12 "bad blood" when mulder sings the theme&nbsp;</p>

referenced in s03 e12 "war of the coprophages"

s05 e05 "the post-modern prometheus" is basically a retelling of frankenstein&nbsp;

not sure if mulder would actually be into this particular sherlock holmes movie but in s01 e12 "fire" they literally implied that he had sex on sir arthur conan doyle's grave. so.

s06 e06 "how the ghosts stole christmas" mulder is watching the movie ["i don't deserve to be so happy. i can't help it. i just can't help it."] when scully knocks on his door at the end of the episode&nbsp;

<p>mentioned in s07 e21 "je souhaite" when mulder and scully have a movie night</p>

mentioned in s07 e21 "je souhaite" when mulder and scully have a movie night