
Continuity mistake: We see Cindy and Teena at the table talking with Eve 7, drinking out of paper cups. Later on, when Mulder picks up a cup from the table, it's made of glass. (00:30:40 - 00:34:30)

Continuity mistake: When Max is trying to escape through Mulder's window, in the first shot, the bottom window is halfway down, but in the next shot, it's fully up. (00:15:35)
The Pine Bluff Variant - S5-E18
Continuity mistake: When the bank manager goes to open the door for the brinks truck containing the robbers, the clock on the wall reads 9:45. When the robbers are taking him back to the vault, a couple of shots of the skull-masked robber shows the clock reading about 9:43.
Continuity mistake: When Scully and Mulder first visit John Mostow he says that he drew all the pictures of Gargoyles, which would have been a pretty good act considering he was in a strait jacket and would not have been allowed to have paper and drawing materials anyway. (00:07:30)

Continuity mistake: When the dad is offering the son some ice cream, the cone he offers is a single scoop. In the next shot, as the son takes it, it is now a double scoop. In addition, the scoops change from single to double and back and forth in the next few shots.
Continuity mistake: In the shot of the 6th Precinct police station, it has a California state flag flying out front. The episode took place in Massachusetts, at the Massachusetts Institute of Technology. (00:07:45)
Schizogeny - S5-E9
Continuity mistake: After her father is pulled out of the window, Lisa leans out and there is no glass left on the sill, she even places her hands on it. Later when Mulder and Scully look at it, there is all sorts of jagged edges on the sill. (00:16:35 - 00:20:00)
Continuity mistake: When Fox Mulder is having the flashback when Samantha was abducted, he looks at the doorknob, in the close-up he is still looking at the doorknob but it has changed colour.
Continuity mistake: Scully's FBI badge number that she gives to the phone company is different to the one she gives in season 4's "Teliko". (00:02:05)
Continuity mistake: The dates on the academic discipline and progress forms for Max are not in accord with the order of the episode, coming after the "Millennium" episode. Supposedly the changes in his behavior and grades started a few months before, but the reports are from a few years ago. (00:24:55)
Continuity mistake: After Mulder has been released from the containment cell, and he and Scully go back to his room, the items on the table change position in between shots. (00:15:00)

Continuity mistake: When Dr. Kendrick/Eve is talking to the two little girls and she's clearing up the mess on the table, the position of the straw changes between shots. (00:29:55)
Kitsunegari - S5-E8
Continuity mistake: How was Modell tried and convicted in 1996 if he only woke up six months ago? Six months before this episode would be at least mid 1997. (00:06:05)
Field Trip - S6-E21
Continuity mistake: At Mulder's 'funeral' around when there is a knock at the door, we see Frohike raise his bottle to take a swig. The shot cuts to facing Scully and we can see Frohike further in the background and his bottle is nowhere to be seen, when he should've been mid-swig.
Continuity mistake: General Callahan tells Mulder that the man he saw in his office said his name, but all he said was, "Your time has come, killer". (00:13:10 - 00:17:25)
Continuity mistake: When Senator Richard Matheson tells Mulder about the four Japanese Nationals had been murdered, he says that the murders had occurred several weeks ago. But when Mulder brings Scully up to speed a scene or two later, he tells her that someone must have been able to identify the four doctors who were performing the autopsy because they were murdered YESTERDAY. (00:30:05 - 00:33:10)
Kill Switch - S5-E11
Continuity mistake: In the same season episode "Unusual Supects" Fox Mulder's file lists him as Fox William Mulder. The A.I. discovers a similar file but the name is just Fox Mulder.
Chosen answer: Yes.
Tailkinker ★