Lost
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172 free Lost trivia questions with answers — entertainment quiz, new questions added Oct 2026.
50 free Lost trivia questions with answers. Are you a true Lost fan? Put your knowledge of the mysterious island, unforgettable characters, and mind-bending plot twists to the test. This comprehensive trivia quiz covers everything from the Dharma Initiative to the final reveal, challenging both casual viewers and devoted fans alike.
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Q 01The majority of the series 'Lost' was filmed on which Hawaiian island?
Oahu
Oahu nearly lost the show: midway through season one its producers warned that Lost might relocate unless Hawaii helped offset the high cost of filming there.
Q 02In The Lost Experience game, what was the Dharma Initiative's true mission on Lost?
Altering an equation predicting doomsday
Altering an equation predicting doomsday was the aim: the Valenzetti Equation gave the time left before humanity destroys itself, and Dharma hoped to change one of its factors but never managed it.
Q 03On Lost, the captured leader of the Others claimed to be 'Henry Gale', who had reached the island how?
In a hot air balloon
In a hot air balloon, he claimed, and the balloon was real: Sayid dug up the grave beside it and found the true Henry Gale, whose Minnesota licence was still in his wallet.
Q 04What nickname did the camp's con man habitually use for the survivors' surgeon?
Doc
Sawyer called Jack 'Doc' from the first season onward, a nod to Jack Shephard being the spinal surgeon who took charge of the beach camp.
Q 05On Lost, who was the first major character among the Oceanic 815 survivors to die?
Boone Carlyle
Boone Carlyle died late in season one after a drug smugglers' plane he had climbed into fell from its perch; Jack drained his own blood into him in a failed attempt to save him.
Q 06What did a drowning Charlie write on his hand in the Looking Glass to warn Desmond?
'Not Penny's boat'
Charlie wrote 'Not Penny's boat' on his palm before drowning, warning Desmond that Naomi's freighter had not been sent by Penny Widmore and was no rescue.
Q 07On Lost, who was the manipulative leader of the Others, first met posing as a castaway named 'Henry Gale'?
Ben Linus
Ben Linus was caught in one of Rousseau's nets and locked in the survivors' armoury, where he kept up the Henry Gale story until Sayid dug up the real Gale's grave.
Q 08What did Desmond Hume need to survive his consciousness jumping through time?
A 'constant'
Desmond needed a 'constant', someone present in both time periods to anchor his mind; in season four's 'The Constant' his was Penny Widmore.
Q 09On Lost, which enigmatic, long-lived figure was revealed as the island's true protector, obeyed by the Others?
Jacob
Jacob, seen in person only from the season-five finale, had guarded the island since ancient times and touched each candidate he hoped would one day replace him.
Q 10Which Lost character was well known for giving the other survivors a variety of nicknames?
Sawyer
Sawyer labelled nearly everyone, yet his own name was borrowed: it was the name used by the swindler who ruined his parents, which James Ford adopted when he took up the same trade.
Q 11On Lost, which numbers won Hurley a lottery and haunted the island?
4 8 15 16 23 42
Hurley won the lottery with 4 8 15 16 23 42, then found the same numbers stamped on Station 3's sealed door and typed into its computer every 108 minutes.
Q 12Which Dharma station was the communications hub of Lost's island?
The Flame
The Flame used a rooftop satellite dish to reach the outside world; Locke destroyed it by typing 77 into its computer, which set off the station's self-destruct explosives.
Q 13In the opening seconds of Lost's pilot, Jack wakes in a bamboo grove as which animal runs past him?
A yellow Labrador
Q 21Which Lost character was paralyzed before the crash but could walk again on the island?
John Locke
John Locke had used a wheelchair since his con-man father pushed him from an eighth-floor window; on the island he stood and walked within minutes of the crash.
Q 22What was the name of the woman Desmond Hume was desperately trying to get back to?
Penelope Widmore
Penelope Widmore, or Penny, was Desmond Hume's true love, and his efforts to return to her were a central motivating factor for his character.
Q 23On Lost, which crash survivor was a former soldier who had tortured prisoners?
Sayid Jarrah
Sayid Jarrah was a communications officer in Iraq's Republican Guard; American troops who captured him in the Gulf War first made him an interrogator, to break his own commander.
A yellow Labrador named Vincent runs past Jack in that first scene; in the finale the same dog lies down beside the dying Jack in the same bamboo grove.
Q 14Which airline's Flight 316 carried Jack, Kate and Hurley back toward the island?
Ajira Airways
Ajira Airways Flight 316, bound from Los Angeles to Guam, was the flight Eloise Hawking told the returning survivors to board; Frank Lapidus landed it on Hydra Island's runway.
Q 15Which character was known for the phrase 'We have to go back!'?
Jack Shephard
Jack Shephard shouts it at Kate outside the airport in the season-three finale, the twist that revealed the episode's flashbacks were really glimpses of life after rescue.
Q 16Which station held Jack in a former shark tank early in season three?
The Hydra
The Hydra, the zoological station on the smaller island, held Jack in a glass-walled former shark tank while Kate and Sawyer were kept outside in animal cages.
Q 17Which alias did Lost's James Ford use as head of security among the island's 1970s scientists?
Jim LaFleur
As 'Jim LaFleur', Sawyer told the Dharma leaders he was the captain of a wrecked salvage boat, then ran the Initiative's security under that name for three years.
Q 18On Lost, what did Hurley build to help the stressed survivors unwind?
A golf course
A golf course: Hurley found clubs in newly recovered luggage and laid out a course to lift the camp's morale, and a crowd of survivors soon gathered to play.
Q 19Which character was a former bassist for the rock band Drive Shaft?
Charlie Pace
Charlie Pace played bass in Drive Shaft, formed with Liam Pace; the band took its name from the initials on a family ring that had belonged to their great-grandfather, Dexter Stratton.
Q 20What was the name of the sailboat a widow gave Desmond for his attempt to sail around the world?
The Elizabeth
The Elizabeth was named after the widow herself by her late husband David; she gave it to Desmond so that he could enter Widmore's round-the-world race.
Q 24How did Christian Shephard die just days before his son's flight took off?
An alcohol-induced heart attack
An alcohol-induced heart attack killed Christian Shephard in a back alley; his son was flying the coffin home when the plane went down, and his figure kept appearing on the island afterward.
Q 25Which actor played the leader of the Others, a character promoted to series regular from season three?
Michael Emerson
Michael Emerson was booked for a handful of season-two episodes as the captured stranger, but his unsettling performance led the writers to make him a series regular from season three.
Q 26On Lost, Desmond promises in 1996 to phone Penny eight years later on which day?
Christmas Eve
Christmas Eve 2004 was the date he gave her, begging her not to change her number; eight years on she picks up, and hearing her voice steadies his mind.
Q 27What type of animal, not native to tropical islands, was famously encountered by the survivors?
Polar bear
A polar bear charged the survivors in the pilot; the Dharma Initiative had kept bears for experiments at its zoological station, and some escaped their cages after the project collapsed.
Q 28Who played the character Hugo 'Hurley' Reyes?
Jorge Garcia
Jorge Garcia read another character's lines at his audition because Hurley did not exist yet; the producers liked him so much that they wrote the part for him.
Q 29On Lost, the smoke monster's original human form, first seen in the season-five finale, is known by what name?
The Man in Black
The Man in Black is a label, not a name: he is never named on screen, and takes the title from the dark clothes he wears in that scene; a late episode revealed him as the island protector's twin.
Q 30On Lost, what crime had made Kate Austen a fugitive before the crash?
Killing her mother's husband
Killing her mother's husband made Kate a fugitive: she blew up the house with the abusive Wayne Janssen inside after learning he was her biological father.