X-Files Mistakes: Gender Bender (S1-E14)

[20:00] A heavy rain can be noticed in the background, yet Mulder and Scully are dry as a bone.

[30:28] It's a night, however the window shows that there is a daily light outside.

Here you can find other mistakes, trivia, etc. But always remember to verify all mistakes and make your own decision whether they are real goofs or maybe “The truth is out there.”