At the end of season 4, the island vanished... and everybody immediately jumped to the conclusion that it was because the island went back in time, or moved in space, etc etc..
I'm going to say that that's not actually true at all.
Some of the occupants of the island moved in time.
That leaves us with one mystery: why did it disappear as far as the O-6 were concerned...?
Easy... because it ceased to exist. It passed on. The island is no more. It has ceased to be! 'It's expired and gone to meet it's maker! It's a stiff! Bereft of life, it rests in peace! It's metabolic processes are now history! It's off the twig! It's kicked the bucket. It's shuffled off it's mortal coil, run down the curtain and joined the bleedin' choir invisibile!! THIS IS AN EX-ISLAND!!
(please excuse me if the last paragraph is lost on you...)
Now... remember the scene in Back to the Future where Marty goes back in time and changes things? So... he starts to not exist in the future? Maybe that's what happened... maybe the "bad things" which Locke referred to were things which would destroy the island completely...?
The reason the O-6 need to go back is to, literally, SAVE THE ISLAND.
The problem with this theory? If going back in time the Losties managed to destroy the island somehow, the island wouldn't have existed when Oceanic 815 was flying by... and so on... and if the plane didn't crash, they wouldn't have been there to go back in time and destroy it... and so on.
But what if all of this, somehow, breaks the space-time rules? According to the highest known authority on time travel, Doctor Who, this would cause a cataclysmic event that would spell the end of the universe. Perhaps that's what Ms Hawkings' 70 hours refers to? The O-6 all have to go back so that they can, collectively, change something. They have to get back to the island, in another time, within 70 hours because, if they don't, the ENTIRE UNIVERSE will cease to exist - pretty much stopping any attempts to save the island :-)
When they go back to save the universe, by the way, they'll also save Locke... meaning that he won't be dead off-island after all.
Confused ramblings of a mad man? Absolutely.
Theory by The Scribe
I'm going to say that that's not actually true at all.
Some of the occupants of the island moved in time.
That leaves us with one mystery: why did it disappear as far as the O-6 were concerned...?
Easy... because it ceased to exist. It passed on. The island is no more. It has ceased to be! 'It's expired and gone to meet it's maker! It's a stiff! Bereft of life, it rests in peace! It's metabolic processes are now history! It's off the twig! It's kicked the bucket. It's shuffled off it's mortal coil, run down the curtain and joined the bleedin' choir invisibile!! THIS IS AN EX-ISLAND!!
(please excuse me if the last paragraph is lost on you...)
Now... remember the scene in Back to the Future where Marty goes back in time and changes things? So... he starts to not exist in the future? Maybe that's what happened... maybe the "bad things" which Locke referred to were things which would destroy the island completely...?
The reason the O-6 need to go back is to, literally, SAVE THE ISLAND.
The problem with this theory? If going back in time the Losties managed to destroy the island somehow, the island wouldn't have existed when Oceanic 815 was flying by... and so on... and if the plane didn't crash, they wouldn't have been there to go back in time and destroy it... and so on.
But what if all of this, somehow, breaks the space-time rules? According to the highest known authority on time travel, Doctor Who, this would cause a cataclysmic event that would spell the end of the universe. Perhaps that's what Ms Hawkings' 70 hours refers to? The O-6 all have to go back so that they can, collectively, change something. They have to get back to the island, in another time, within 70 hours because, if they don't, the ENTIRE UNIVERSE will cease to exist - pretty much stopping any attempts to save the island :-)
When they go back to save the universe, by the way, they'll also save Locke... meaning that he won't be dead off-island after all.
Confused ramblings of a mad man? Absolutely.
Theory by The Scribe