Zelda and Impa clearly flee long before Hyrule Castle is attacked (at least, before the attack that destroys it), since Hyrule Castle continues to be accessible all throughout the playable Child portion of OoT.
We have Ganondorf attacking Hyrule Castle, Impa and Zelda fleeing...
Of course, you're assuming that Link laid the sword to rest and closed the Door in the past, when clearly the sword was already there when he got back and closing the Door would have prevented the future from ever occurring. I do not share this belief. I believe that he laid the sword to rest and closed the Door in the future, so that the sword could be there for TP Link to claim in TP (which is strangely impossible in a double timeline, in which he takes the sword into the Child timeline, making it impossible for TP/TWW Link to ever obtain). I believe it is very well possible that he arrived in the past at a time long before Ganondorf ever made his move for the Ocarina of Time. It is also possible that Zelda returned to the castle for a short time after Ganondorf entered the Sacred Realm for whatever reason.
Since Zelda told us to lay the MS and close the DoT and the DoT was open, it's clear that Link comes back to a time where he has already opened the DoT.
No, I'm sorry, there are more possibilities than the one that supports your conclusion.
This can only mean something: that Ganondorf is not around anymore: he has been sealed. So the thing is done.
Remember also that Ganondorf labels Zelda a "traitor", which means that she certainly resisted him at some point after he became the King of Evil. This could mean that she, as a Sage and member of the Royal Family, led the Hylian Knights into battle against Ganondorf's forces when they attacked the castle--which means she would have had to be there. Quite frankly, we don't know how much time passed between Ganon entering the Sacred Realm and the attack on the Royal Palace. Certainly long enough time for them to search for a Hero--a Hero who happened to be spending his time with Zelda all the while, no doubt.
If there is a double timeline, and Link's victory happened in the Adult timeline, no one in the Child timeline knows about it. If anyone does, then it happened as a result of your own invention. Guess what?--a timeline-transcending seal is not the canonical solution. It's a conclusion you and your cronies came to to explain your theory.
But only the Royal Family knows it because those things happened in the Adult Timeline.
Edited by LionHarted, 22 October 2006 - 03:13 PM.