Unanswered questions

For guidelines on unanswered questions in articles, see here.
For remaining unanswered questions from the Lost Experience, see here.

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This is a list of unanswered questions that have been asked in Lost, both explicitly and implicitly. Once a question has been officially answered on the show or by some other source, it will be removed from the list.

This list is organized by topic. For a list of unanswered questions by episode, see Unanswered questions by episode. For a list of the mysteries on the show, including answers, see Mysteries.

Note that these questions should be directly tied to the narrative of the show, and specific mythological unanswered mysteries.

Flight 815 survivors

See also: Portal:Main Characters

Character	Questions
Cindy	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Cindy Chandler/Theories If Cindy was with Charlie when the plane crashed, how did she end up with the Tailies? ("Pilot, Part 2") ("The Other 48 Days") Why was Cindy taken by the Others so much later than the other Tailies? Was Cindy on the list? If so, why wasn't she taken sooner? If not, what changed? ("Abandoned")
Hurley	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Hugo "Hurley" Reyes/Theories Where did the nickname "Hurley" come from? Did Hurley cause the collapsing deck accident, or would it have happened anyway? ("Dave") What caused the bad luck surrounding Hurley and Sam Toomey? Is there really a curse? ("Numbers")
Kate	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Kate Austen/Theories How did Kate get the other key to the safety deposit box? ("Whatever the Case May Be") Why has Kate seen the same black horse? ("What Kate Did")
Sawyer	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: James "Sawyer" Ford/Theories What happened during The Tampa Job? ("Outlaws")
Libby	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Libby Smith/Theories Why was Libby in Australia, and why was she leaving? ("?")
Locke	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: John Locke/Theories, Anthony Cooper/Theories Why do Locke's legs sometimes fail him, such as when he and Boone were on their way to find the Beechcraft? ("Deus Ex Machina") Was Ben really coming to the camp to recruit Locke? ("Three Minutes")
Sayid	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Sayid Jarrah/Theories If the government officials told Sayid that Nadia was alive before he boarded Flight 815, why did he then tell Danielle Rousseau that Nadia was dead? ("Solitary") ("Live Together, Die Alone, Part 1") What is the "Basra Incident" referred to by Juliet? ("One of Us")
Walt	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Walt Lloyd/Theories, Michael Dawson/Theories, Vincent/Theories What did Walt see that frightened him enough to want to leave the Island? ("Born to Run")
Sun	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Sun-Hwa Kwon/Theories When some of the survivors went back to the island on the Ajira flight, why didn't Sun end up in the past? Why was she still on the plane? ("316")

The Others

Main article: Portal:The Others

Character	Questions
General	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: The Others/Theories Why do the Others take blood samples from the people in their custody? ("Three Minutes") ("A Tale of Two Cities")
Ben	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Benjamin Linus/Theories Did Ben kill or order the death of the real Henry Gale? ("Dave")
Ethan	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Ethan Rom/Theories Did Ben condone or approve of Ethan killing and attempting to kill Losties? ("All the Best Cowboys Have Daddy Issues")
Jacob	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Jacob/Theories Why does Jacob's cabin appear to Hurley, and seem to shift around? ("The Beginning of the End") ("The Economist")
Mikhail	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Mikhail Bakunin/Theories Was Mikhail recruited by the Others before or after the Purge? ("Through the Looking Glass, Part 1") What happened to Mikhail's eye? ("Enter 77") Why didn't he die when he got hit by the harpoon? Where did that grenade come from? ("Through the Looking Glass, Part 1")

Miscellaneous characters

Main article: Portal:Supporting Characters

Character	Questions
Aaron	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Aaron Littleton/Theories, Claire Littleton/Theories, Richard Malkin/Theories Was Richard Malkin telling Mr. Eko the truth about being a fraud? If so, why did he refuse to take Claire's money, and even give her $6000 and a free airline ticket? ("Raised by Another") ("?")
Christian Shephard	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Christian Shephard/Theories Since Christian's coffin is empty, where is his body? ("White Rabbit")
Danielle Rousseau	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Danielle Rousseau/Theories Why is Danielle's clothing and equipment primarily military in nature if her "routine expedition" was scientific/medical? Why did Danielle not remember Ben from stealing Alex when she caught him in a net 16 years later?
Desmond	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Desmond Hume/Theories, Penelope Hume/Theories What order did Desmond not follow that led to his dismissal in the army? ("Live Together, Die Alone, Part 1") How can Desmond survive to great blasts of electromagnetism? ("Live Together, Die Alone, Part 2") ("Happily Ever After")
Radzinsky	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Radzinsky/Theories Why did Radzinsky edit the orientation film? ("Live Together, Die Alone, Part 1")

The Island

Main article: The Island

Location	Questions
Station 2:The Arrow	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: The Arrow/Theories Who is the owner of the glass eye found here? ("The Other 48 Days")
The Staff	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: The Staff/Theories Where does the escape hatch go? Why does the station have a secret room hidden behind some lockers? ("D.O.C.")
The "Monster"	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: The "Monster"/Theories Why can't it pass through lines of gray ash?

The DHARMA Initiative

Main article: DHARMA Initiative

Organization	Questions
DHARMA	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: DHARMA Initiative/Theories How did Kelvin come to work for the Initiative?

The Numbers

Main article: The Numbers

Mystery	Questions
The Numbers	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: The Numbers/Theories Why do bad things happen to the people involved with the Numbers?

Infrastructure

There are many things about the Island that seem to be assumed and have not been investigated:

• Electricity: The DHARMA stations are all powered. What is the source, assuming that Ben was lying about the giant hamsters.

Expanded universe

Waving figure on the Season 2 DVD Lost Connections

Main article: Waving figure

Mystery	Questions
Waving figure	Unanswered questions Do not answer the questions here. Keep the questions open-ended and neutral: do not suggest an answer. More details... For fan theories about these unanswered questions, see: Waving figure/Theories Who is this person linked to Jack, his father Christian, and half-sister Claire?

Jigsaw puzzles

Main article: Jigsaw puzzles

• What is the connection of the Others to Santa Rosa Mental Health Institute? (See Puzzle #2)

See also

• Portal:Mysterious
• Character secrets