Question: Why did Doug did not travel back to the night before his partner was killed? He could save his partner, the girl and the people on the ferry.
Phaneron
22nd Apr 2023
Deja Vu (2006)
17th Apr 2021
Deja Vu (2006)
Question: The timeline in the past is 4 days 7 hours (something like that) and only 1 version of themselves can exist at any time. So if Doug (present) went back and died in the explosion, Doug from the past came to meet Claire. Happy ending, right? So does this mean that due to Doug (present) ceasing to exist, Doug from the past has only 4 days 7 hours to live? I mean, this sacrifice of himself for saving 500+ people doesn't look bad.
31st Jul 2019
Deja Vu (2006)
Question: How would Doug leave the clues if Claire is already dead? The incident with Carroll happened before he went to her house to wash the blood off, which means she would have already been killed before he could've gone to her house and set all the clues.
Answer: This is just one of many examples of using the causal loop aspect of time travel. The clues aid Doug in his quest to catch the bomber and rescue Claire, but he is the one that puts the clues there. It's similar to "Terminator," in which Kyle Reese is sent back in time to protect Sarah Connor, and by extension, her future son John. but Kyle is the one who fathers John when he goes back in time.
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Answer: They only have a 4-day window to observe and intervene with the past events. Once Doug and everyone else observed his partner being murdered, the 4-day window for that event had lapsed.
Phaneron ★
In theory, he could go back (not far enough), then find the time travel scientist, convince him to believe his story, and travel back another 4 days, etc. A lot of ifs, but it could be possible?
He could, yes, but their priority right now is to go back and prevent the ferry attack. They were on the trail of the terrorist at this point, so going back before taking care of that matter could further complicate things.
Phaneron ★