Factual error: When Shep and his partner are looking for Frank on the docks, the camera pans to the left and we see a flash of the World Trade Center just before the cameraman catches his error. It was built between 1970 and 1977, not 1969.

Factual error: In the year 1969 Dennis Quaid reaches into a pile of Albums (vinyl) to play the "King".  One of the albums in that pile is "Elvis In Concert" which was not released until 1977.

Factual error: The radio used in the film is a Heathkit SB-301 receiver only, and is, in reality, incapable of transmitting.

Continuity: When Dennis Quaid is at the Buxton building and a girl comes running out, she runs up to Dennis Quaid, he is holding his axe in his left hand, then he is holding it in his right.

Continuity: In the scene near the beginning where John is looking through a scrap book, he turns the page and there are articles on the page, but when the camera does a close-up on the scrapbook, there is a whole newspaper with the scrapbook.

Continuity: When Frank Jr. is telling Frank Sr. about game 2 and about Al Weiss, the scene changes to the fireman sitting near a TV watching the game. As the camera pans around a fireman with a moustache is sitting behind the old guy in the chair, but in the following shot he is sitting at his side.

Continuity: When Frank has survived the Buxton fire and is trying to reach his son in the future over the radio, his son from that time walks in and sits on Frank's knee. He takes a chewing gum out of the silver wrapper in his right hand, but in the following shot it is now in his left.

Continuity: When it cuts to 10th October 1999, John's girlfriend leaves and he walks to his living room and gets a drink. When he puts his gun on the table it slides, leaving the gun at an angle on the table, yet in the next shot the gun is straight.

Continuity: In the scene where Dennis Quaid is in the Buxton building and he finds the girl, in the first shot when it cuts to her, she is lying on her side, but in the following shot she is flat on her back.

Continuity: After the first time the mother disappears from the family photo, and the father and son are talking after the father "saves" the first nurse, there is a wide shot of the board with the family picture on it - and it shows the mother in the picture. When the camera zooms in on the picture, the mother is gone again.

Continuity: At the beginning of the film when Frank is pushing Frank Jr. and he runs off into the house, after Frank Sr's little conversation with his wife, he takes out a cigarette and is looking down towards the floor. In the following shot he is looking straight ahead.

Continuity: When Frank is on the scene of the overturned fuel tanker, a man wearing a beige coat and grey hat says, "Only the manhole leads to the vault", and a fireman stands on Frank's right, yet in the next shot he is on the far left of the screen.

Continuity: At the very end when the family and friends are playing baseball in the park, the first ball Frank hits smashes into the headlight on Gordo's Benz. The front-end license plate is shown for a few seconds, and even though it is blurry, it appears to be several numbers and maybe a letter or two. But when the next shot of it is clear, it says "1YAHOO".

Continuity: In the middle of the film, Jim Caviezel is interrogating the "suspected killer", the scene opens looking at the clock, it says "1.30pm", then a few seconds later in the it cuts to the black cop, there is a clock on the wall behind him that says "12.15pm".

Continuity: In the scene where Dennis Quaid by accident sets the desk on fire, we see how the burn mark appears on the desk in 1999. But why is it still hot and smoking 30 years after? Same goes for the writing with the soldering iron. In comparison, the wallet has got signs of being 30 years old when the son finds it.

Continuity: In the opening scene, Dennis Quaid goes to rescue a guy in a room, he opens the hatch where the guy is and in one shot he steps into the room. In the following shot he is stepping into the room again.

Continuity: When Satch is talking with Frank after discovering his wallet underneath a dead girl, he lifts up Frank's driving licence. Four of Satch's fingers are on the front side of the licence, but when the shot changes, Satch holds the licence with three fingers on the front and a finger and thumb at the back.

Continuity: When the killer hits Dennis Quaid and he falls on the floor, the killer then takes his wallet and throws it in the cubicle next to the toilet, yet when he moves Dennis Quaid into the cubicle the wallet has disappeared and reappeared in the next cubicle along.