For remaining unanswered questions from the Lost Experience, see here
This is a list of all the unanswered questions that have been asked in
Lost, both explicitly and implicitly. Once a question has been officially answered on the TV show or by some other source, it will be removed from the list.
This list is organized
by episode, in the order that each mystery is first introduced. For a list of unanswered questions by topic, see .
Note that these questions should be directly tied to the narrative of the show, and specific mythological unanswered mysteries.
401 " "
The Beginning of the End
Who is Matthew Abaddon?
Why does Abaddon offer to move Hugo to a different institute?
What is the motivation behind his offer to move Hugo to a different institute?
How is Lewis able to see Charlie?
402 " "
Why was Daniel upset about the discovery of Flight 815?
What is the nature of Miles' abilities?
How did the polar bear get to Tunisia?
Did Charlotte know what she was looking for when she was digging around the polar bear's skeleton?
Why did Seth Norris replace Frank as Flight 815's pilot?
Why did Naomi believe there would be survivors of Flight 815 on the Island?
Why does Abaddon insist that there are no survivors?
Why were Daniel, Miles, Charlotte, Frank and Naomi selected for the operation?
Why doesn't the sunlight scatter quite right on the Island?
When and where was the photo of Ben taken?
Why did Naomi claim to be looking for Desmond?
403 " "
Who are the people on Ben's list?
Whom is Sayid protecting and what is he protecting them from?
404 " "
Why does Miles want exactly 3.2 million dollars?
Why is Daniel having difficulty remembering the three cards?
405 " "
What is the nature of the time differential between the Island and the outside world?
How does Minkowski know Desmond's name, and that Penny is his girlfriend?
406 " "
The Other Woman
What was the cause of Goodwin's 'chemical burn' injury?
Why did Goodwin lie about his injury?
How does Harper suddenly appear and disappear into the jungle?
What is Charles Widmore's true interest in the Island?
How did he find out about the island?
What does Penny know about his research?
Who is the man being beaten by Widmore?
How is Harper in contact with Ben?
How did Ben know where Charlotte and Daniel were heading?
How does Charlotte know the history of the Island and the Purge?
Who made Daniel's map?
407 " "
Whose blood was on the wall of Desmond and Sayid's new room?
Why does Ray have a wound on his cheek?
Why were Sayid and Desmond warned not to trust the captain?
Why does Gault believe Ben had anything to do with staging of the fake Flight 815 crash?
Why is Hurley so glad to hear no one else is coming?
408 " "
Meet Kevin Johnson
How was the Island "not allowing" Michael to commit suicide?
Who placed the fake 815 wreckage?
Who are the " innocent people" among the freighter's crew that Ben intends to spare?
Why is the Temple only for the Others?
409 " "
The Shape of Things to Come
Why is Widmore sure Ben can't find Penny?
What are the Rules that have changed?
Why does Widmore say it's his island?
What is the relationship between Ben and Widmore?
What did Ben do in his secret room?
Who wrote the hieroglyphics on the wall in Ben's hidden bunker, and what do they mean?
How did Ben summon the smoke monster from the hidden room?
410 " "
Something Nice Back Home
What was Kate doing for Sawyer?
How is Christian appearing to Jack?
What is meant by, "You're not supposed to raise him, Jack"?
Why did Jack change his mind about Aaron?
Why does Christian appear to Claire?
411 " "
How did Richard get to the mainland?
How does Richard know about Locke's existence and his whereabouts?
Why did Richard think Locke was special?
What was the purpose and meaning of each of the six items?
Which were the items that belonged to John already?
Why was he disappointed in Locke's choice?
Why did they want to recruit Locke for Mittelos Bioscience Science Camp?
Why is Abaddon interested in Locke?
What happened during Abaddon's walkabout?
Where is Jacob, and why are Christian and Claire in his cabin?
Why was Claire so calm and nonchalant?
Why did Christian ask Locke not to tell anyone that he saw Claire in the cabin with him?
Who was the Others' leader before Ben?
412 " "
There's No Place Like Home, Part 1
Why are the Others wearing their rustic garb?
What plans does Sun have for her father's company?
Why are Charlie, Boone and Libby named as the three other survivors?
413 " "
There's No Place Like Home, Part 2
Where and/or when did the Island go?
Why does Miles decide to stay on the Island?
What is Charlotte's previous experience with the Island?
What is the nature of the frozen wheel?
Why does the Orchid tape begin to rewind itself?
Why can the person who "moves the Island" never return?
What has happened to the people who managed to abandon the Kahana, if any, before it blew up?
Do Frank, Desmond and/or Walt have to return to the Island as well?
Why do the Oceanic Six, as well as Locke, have to return to the Island?
How does John Locke die?
How does Locke get to the mainland?
Is Locke able to walk after leaving the Island?
Why does Locke use the alias Jeremy Bentham?
Why must Locke's body be returned to the Island?
If Locke is Bentham, who is his "son" referenced in the obituary Jack had?
501 " "
Because You Left
What is the nature of the Island's time shifting phenomenon?
Where did the Island go?
Why are Richard Alpert and the Others not affected by the time shifts?
Why is Juliet, a former member of the Others, affected?
Is Faraday correct in saying that changing the past is impossible?
Why does Daniel think the rules of time do not apply to Desmond?
Is Claire moving through time like the rest of the Oceanic survivors?
Who built the frozen wheel and how did it end up buried under a wall of rocks?
How did Faraday get back in time and work as an undercover DHARMA worker when the orchid was being constructed?
Why does Richard tell Locke that in order for the Oceanic 6 to return to the island he has to die?
Why is Richards compass important enough to him that he gave it to Locke?
Who is Daniel's mother and why does Desmond need to find her?
Who hired Dan Norton?
Was Pierre Chang's baby born on the island?
Who are the men that are trying to capture Sayid and/or Hurley?
Does Ethan remember Locke from their encounter by the smuggler's plane?
Did he tell anyone else that he saw Locke?
Why doesn't Desmond remember Daniel from their 1996 meeting?
Why does Sayid instruct Hurley not to trust Ben when he spent the last years working for him?
Who are the people trying to kill/capture Sayid?
Why was one armed with a proper gun and the other a tranquilliser gun?
Why are the people living in the barracks all dressed in civilian clothes rather than DHARMA uniforms?
502 " "
Who is Jill from the Butcher Shop?
Ben asked Jill if Gabriel and Jeffrey had checked in yet. Who are they?
What is Ben's relationship with Ms. Hawking?
Who are the soldiers that attack Sawyer and Juliet?
Why do they claim it is "their" Island?
Who are the assailants that attacked the beach camp with flaming arrows?
What does Ms. Hawking expect to happen in 70 hours?
What did Ben put in his bag?
How does Ms. Hawking know when the Oceanic Six must/can return to the Island?
Why does Ben avoid Jack's question about Locke being dead and needing protection?
Fire arrow group