Factual error: A ham radio requires the person to hold down the button while talking. Numerous times in the movie they are talking without pushing the button.
Directed by: Gregory Hoblit
Starring: Dennis Quaid, Jim Caviezel, Noah Emmerich, Andre Braugher, Elizabeth Mitchell, James Caviezel, Shawn Doyle
Suggested correction: This is actually subtly addressed in the film. The magic which allows the radio to work across time also allows the two men to speak without pressing the button. There is a moment where Frank wonders what is going on with the radio and presses the button a few times to talk but then notices that he doesn't have to press the button to be heard.
If that was true, then it wouldn't make sense for them to continue to show Frank and John hitting the squawk bar throughout the film.
That is a separate issue. The mistake entry states that you need to hold the button to talk on a ham radio, which is true, but the magic ham radio in the film doesn't require it. If the actors continue to occasionally press the button that could be considered a character mistake but it could also simply be a force of habit by the characters.
Factual error: When Shep and his partner are looking for Frank on the docks in 1969, the camera pans to the left and we see a flash of the (completed) World Trade Center buildings just before the cameraman catches his error. In 1969 construction had only just begun on the towers.
Factual error: The radio used in the film is a Heathkit SB-301 receiver only, and is, in reality, incapable of transmitting.
Trivia: Michael Cera's theatrical film debut.
Frank: I'm not a cop, I'm a firefighter.
John Sullivan: I may not know who he is, but I know where he's gonna be and how he's gonna get there.
Frank: I'm still here, Chief.
Question: Why did John's house suddenly alter so drastically when Jack's hand was blown off in the past? Did this one event somehow turn John into a better interior decorator?
Answer: Because the house is no longer John's. In this universe, his parents still live there.
Or he lives there and his wife redecorated.
I always took the scene at the end with Julia and Frank getting in a packed car with an older looking Elvis as them moving and leaving the house for John. And as I said above John's wife must have moved in and decorated.
Answer: The house changed because John's life changed, with both his parents alive to nurture and guide him, he became a different person. Different lifestyle and attitudes.
Question: What is the point of Dennis Quaid throwing his helmet out the window when the factory is on fire in the beginning of the film?
Answer: Firemen never get rid of their gear in a fire, especially not a helmet. He was unable to reach via radio his crew and when he threw his helmet out the window, it told his crew that he was in trouble and what his position is. They also then have a clue that he is still alive.
Question: How did John's father appear at the end of the movie as an old guy? It's very confusing to me, can someone please explain how that worked?
Chosen answer: His son prevented his death in the past. By warning him about how he originally died in that fire and changing his decision, and then convincing him to stop smoking so he doesn't die of lung cancer. He prevented his past death, so suddenly he was still alive in present time.
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