Saw IV

Plot hole: When Rigg is listening to the tape in the first hotel room, the tape instructs him to wear the pig mask in order to conceal his identity from the hotel cameras. Rigg wasn't wearing the mask when he entered the hotel, so putting the mask on after the cameras have already seen his face would do absolutely nothing to conceal his identity. (00:36:00)

Phaneron Premium member

Plot hole: Rigg plays the woman's tape without rewinding it and it starts at the start of the tape. The woman would have listened to the tape to know the knife was under the TV. But why would she rewind the tape to the beginning after? (00:27:00)

A Demon Premium member

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More for Saw IV

Quotes

Eric Mathews: I don't want to play anymore.

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Mistakes

Several times in the movie you can see a stunt double for Donnie Wahlberg, like when he tries to hang himself. Art runs over and there is a wide shot focusing on both of them. No slo-mo required, but you can see it's a stunt double.

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Trivia

When Officer Rigg is walking through the school, before he finds Morgan and Rex in the rod trap, he walks by a dark room blocked off with police-barrier-tape. Originally, there was a scene that revealed this was the room where Troy from "Saw III" died, but it was cut, presumably for pacing reasons.

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