Continuity mistake: Ellen stays by the door looking to the right from it, but in the next shot she looks straight at Mr Incanto. (00:33:55)
Revealing mistake: When the car hits the tree, one can notice that there's a stunt sitting behind the wheel instead of the warden. (00:42:05)
Factual error: Mulder tells Scully that he is trying 27828 and it is not working. It is not surprising that it is not working, because the Napier constant is not 27828, it is 271828. Plus they somehow they know how many digits from this constant should be entered on the keyboards. (00:15:55)
Other mistake: The heavy rain falls and bangs on the greenhouse roof, although Mulder and Scully are completely dry, even though they carry no umbrella with them. (00:10:20)
Soft Light - S2-E23
Factual error: Dr Banton's shadow devours the second policeman, however Banton cannot cast a shadow in that direction. (00:11:35)
Soft Light - S2-E23
Continuity mistake: When the guy looks through the peephole, Dr Banton casts no shadow, while in other scenes he does. (00:01:55)
Soft Light - S2-E23
Revealing mistake: When taking a closer look at the doors of the hotel and the people entering it at the start, it can be easily noticed that this scene is played backwards. (00:00:05)
Continuity mistake: When Scully starts the procedure of taking out the bug from the body, she is wearing no mask, but when she finishes it she is wearing the mask. (00:21:45)
Visible crew/equipment: When Mulder climbs up the tower of the submarine, his shadow is visible, projected on a studio wall. (00:32:40)
Fresh Bones - S2-E15
Continuity mistake: In one shot near the start the private is turning the steering wheel while in the previous and next shot he holds the wheel fast with his arms outstretched. (00:02:30)
Die Hand die Verletzt - S2-E14
Factual error: The loss of blood Shannon suffered was definitely insufficient to be the cause of her death. (00:25:00)
One Breath - S2-E8
Continuity mistake: When Mulder is running through the corridor, in the front shot the rack is missing and the person on the wheelchair suddenly appears, compared to the back shot. (00:14:00)
Red Museum - S2-E10
Continuity mistake: While talking, Mulder, Scully and the old farmer are leaning against the bar which is absent in the distant shot. (00:23:00)
Continuity mistake: The Father is standing in some darkened part of the room, however in the next shot the room is all lit up and there is no darkened place there. (00:38:25)
Other mistake: An agent and Scully analyze the fragment taken out from Duane Berry's body. The agent draws Scully's attention to "small markings", which are half a monitor size, and Scully naively asks where they are. (00:39:00)
Character mistake: Surprisingly, it took Scully quite a long time to realize that the tattoo on the victim's forearm is in Cyrillic lettering. (00:24:00)
Continuity mistake: When Tooms walks out of the courtroom, the doctor and the old lady who were sitting in The Beginning of the corridor are missing. (00:11:45)
Continuity mistake: When the Smoking Man brings the alien fetus to the Pentagon storage facility, he places it on the second rack, then in the next shot he walks away from the rack situated in the middle of the corridor. (00:42:55)
Revealing mistake: In The Beginning of the episode two frogmen jump into the water from the boat. The boat is supposedly out in the Pacific Ocean, but in the lower left corner you can see a harbor in the background.
Answer: As he stated many times throughout the series, Mulder needed Scully to be sober and skeptical. Whenever Scully's skepticism wavered and she started questioning her own rationality, Mulder would try to restore her sense of skepticism, because he needed her to be clear-thinking.
Charles Austin Miller