I heard the show is supposed to last about 5 seasons and everything will unfold before the show ultimately ends.

It blows my mind how many loose ends there are in this series. Let's try and count:

1) What is the machine in the hatch for and why is it there?
2) Is the machine real?
3) Why did people first think there was a disease on the island?
4) Where is Russeau and is she pretending just like the "others?"
5) What do the numbers mean
6) Is the pearl hatch an experiment too?
7) What is the Dharma Initiative
8) Who are the others and what do they work for?
9) How did Desmond's chick know to look for a electromagnetic spike?
10) Where are walt and his dad going?
11) Are they going to really be rescued?
12) What's with the 4 toe statue
13) Where is Sajid?
14) Was the plane crash caused by the magnetic spike or not? (probably not since the others have such an extensive profile on them and seem to have a master plan)
15) Does Walt have magical powers?
16) How is Locke able to walk and how did Rose's cancer get cured?
17) Where in the hell are they? ( Bermuda triangle might not be out of the question b/c remember the pilots many episodes ago said they were thousands of miles off course...)
18) Why is Charlie pretending nothing happened?
19) What happened to Ecko and Desmond
20) Why does the timer have heiroglyphs?
21) Who was sent to observe from thr Pearl hatch, if anyone...
22) Who was the guy who rescued Raymond the 1st time around and how did he get there? And was Kazynsky or whatever his name was real? (the other guy that killed himself before Desmond came into the picture)
23) What's gonna happen to the group who was just captured?
24) So what exactly happened when the switch was triggered and is the machine still operating?
25) What was that bird creature and did it call Hurley's name out?
26) What were those big black clouds that would hunt people on the island from season 1

I guess the whole "they're all dead and stuck in limbo" theory is out of the question since outsiders just claimed to have spotted them

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