The final episode of "Lost" is coming up this weekend and it will be the culmination of one of the best shows currently on television. "Lost" is also infamous for the number of questions it raises and seemingly refuses to answer.
While the last few weeks have shed some much welcome light on Jacob, the Man in Black and the island itself, there are still a few additional mysteries we'd like to see cleared up before the end.
The Walt Files

Even before Walt (Malcolm David Kelley) showed up on the island, he was already a walking supernatural event. Walt's stepfather in Australia was afraid of him because "sometimes, when he's around, things happen. He's different somehow." He was particularly freaked out by the rare bird that did a kamikaze dive into their window moments after Walt read about it in a book.
In the first season of "Lost," it was heavily implied that Walt had some sort of paranormal ability that allowed him to sense things, make things appear and in one instance even control the weather. Naturally, this made him valuable to the Others, who promptly kidnapped him. Then strange things continued to happen, like a vision of Walt appearing to Shannon right before she got shot.
Apparently, things got so weird that the Others couldn't wait to trade him back to Michael. They even threw in a "fabulous boat!"
However, the creators of "Lost" didn't seem to plan for Malcolm David Kelley's own supernatural powers of growth, which led them to write him out of the series entirely.
But on the two occasions Kelley has returned to the role (and not as a vision), Walt seems like a completely normal young man. And we still have no idea why he was special in the first place.
Everybody Loves Libby

Cynthia Watros' Libby had the misfortune of being the only addition to the cast during the second season who didn't get a complete backstory. Libby was murdered by Michael as part of his attempt to recover Walt from the Others. But because she died so quickly, we never found why she was in the asylum with Hurley or how she really got the boat that she later gave to Desmond.
Watros was reportedly very reluctant to come back to "Lost" and for a while it seemed as if she had decided against returning at all. However, she has since appeared on the show twice — once as a ghost and once in a parallel timeline — but the writers have still neglected to elaborate on her backstory.
Of course, some might argue that the biggest mystery is why she's so into Hurley in every reality. But I think we can give her that one.
Watch The Bullets Fly

While trapped in series of random time jumps at the beginning of season five, Sawyer, Juliette, Miles, Locke, Daniel and Charlotte took a seemingly abandoned rowboat and attempted to use it to get the other island. While on their way, they came under fire from another boat in pursuit. Because of the distance, we didn't actually get a good look at who was shooting at them. However at least one of the shooters appeared to have been hit by their return fire. The engagement abruptly ended when our castaways were sent to another time period.
The most popular theory among fans is that the castaways were shooting at themselves from either the past or the future. Another alternative theory is that the other shooters were Ilana and her Jacob cult from the Ajira flight.
But this is one of the few mysteries that the creators of "Lost" have said that they will not reveal in the series, due to time and story constraints. So, we're on our own here...
Raising Aaron
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Early in the series, we were told that incredibly bad things would happen if anyone other than Claire (Emilie de Ravin) were to raise Aaron, Hell, a fake psychic even had a real vision to that effect, which led him to give Claire the plane ticket for Oceanic 815. Presumably he knew that the flight would crash on the island and she would be forced to raise the child herself.
Only it didn't happen that way. Smokey (a.k.a. the Man in Black) lured Claire away from her son and Kate took him from the island and essentially became his mother.
And the world didn't end. Although the kid does seems a little bratty.
But Aaron was the only child born on the island in nearly 15 years. There had to be a good reason for that, right?
Check Your Travel Agent

The Man in Black's stated goal is to escape from the island. However, he couldn't leave until Jack, Kate and the other remaining candidates came back to the island. So he appeared as Jack's father in Los Angeles to help drive Jack back to the island.
If the Man in Black can appear in Los Angeles, isn't that technically leaving the island? For that matter, how does Jacob seemingly leave the island at will to appear to his candidates at critical points in their lives — like Jin and Sun's wedding — and then arrive back at the island even before his recruits get there by plane? And how exactly do you calibrate a magic mirror in a lighthouse to focus on the homes of your chosen candidates?
I'd really love to get some of these answers in the finale. Because any answers we can get are better than not knowing.

