# Image Title Days Flashback
01 " " Pilot, Part 1 1–2 comforts Jack Rose on Oceanic Flight 815 shortly before the crash.
During a routine trip from Sydney, Australia to Los Angeles, Oceanic Flight 815 is blown off course and crashes on a remote Island. Thinking that rescue will soon be coming, the survivors tend to the injured on the beach and set up camp. Jack, Kate and Charlie hike through the jungle to retrieve a transceiver from the cockpit, but are attacked by the "Monster".
02 " " Pilot, Part 2 2 On the plane, does Charlie heroin in the bathroom and is in the Kate US Marshal's custody.
Jack, Charlie and Kate return to the beach camp with the transceiver. Sayid, a former military communications officer, gets the transceiver working but tells the others he can get better reception if they head to higher ground. When they get there, they pick up a mysterious distress signal in French that has been playing on loop for 16 years. The group is attacked by a polar bear, and learns that there was a convict on the plane.
03 " " Tabula Rasa 2-4 is apprehended by the Kate Marshal in Australia.
Jack discovers that the injured man he has been trying to save is a U.S. Marshal, and learns that Kate is the convict. Meanwhile, single father Michael questions his son Walt about a conversation he had with another passenger, John Locke.
04 " " Walkabout 4-5 , a Locke wheelchair-bound cubicle worker, is denied access to a walkabout.
After a group of boars raid the fuselage in the middle of the night, Jack decides the bodies need to be disposed of. As the survivors' food supply runs low, Locke leads a boar hunt and encounters the Monster. Claire and Sayid organize a funeral service.
05 " " White Rabbit 6 goes to Jack Australia to find his father.
While bordering on exhaustion, Jack repeatedly sees a mysterious man watching him from afar, but no one else can see him. Haunted by the strange vision, Jack follows the man, only to recognize him as someone to whom he was very close. Meanwhile, the water supply runs dangerously low, a situation that erupts in violence when someone steals the last remaining bottles. Jack returns to the beach, having found fresh water in the nearby caves.
06 " " House of the Rising Sun 7 contemplates leaving Sun Jin and starting a new life.
Jin, a Korean castaway who speaks no English, assaults Michael, seemingly without provocation. Sayid resolves the conflict by handcuffing him to the wreckage. Jack's decision to move to the caves causes division among the survivors. Sun must decide whether or not to free her husband, at the cost of a long-hidden secret.
07 " " The Moth 8 goes through a personal crisis and becomes addicted to Charlie heroin.
Charlie goes into withdrawal when Locke takes his remaining bags of heroin. Jack becomes trapped in a cave-in. Sayid tries to triangulate the French woman's signal, but his efforts are thwarted by a mysterious attack.
08 " " Confidence Man 9-10 struggles with his personal demons as he attempts to con Sawyer Jess.
The onset of an asthma attack threatens Shannon's life, and the only man who can help her is Sawyer, whom Boone believes stole her inhalers from the fuselage. When Sawyer refues to help, Jack and Sayid must decide whether to resort to violence to retrieve the medicine. Meanwhile, Sayid attempts to learn who attacked him in the jungle.
09 " " Solitary 12–13 reluctantly tortures Sayid Nadia during the Gulf War.
When a golf bag is found in the wreckage, Hurley constructs a golf course to give the survivors a much-needed recreational outlet. In the jungle, Sayid's attempt of exploring the Island ends when he falls into a trap set by a mysterious French woman named Danielle Rousseau. Sayid's overtures of friendship are rebuffed as Rousseau resorts to torture, believing him to be part of a mysterious tribe already living on the Island.
10 " " Raised by Another 15–16 After learning she is pregnant, must decide either to keep her baby, or put it up for adoption.
Claire is haunted by nightmarish visions that her baby is in danger, and later appears to be attacked, but no one believes her. Hurley suggests that they compile a list of the survivor's names and use the manifest as a reference. When Hurley compares the two, it leads to an unnerving conclusion about a passenger named Ethan Rom.
11 " " All the Best Cowboys Have Daddy Issues 16 reports Jack his father for drinking on the job.
After the news about Hurley's census is discovered, Jack and Locke search for Claire, but discover that she, Charlie, and Ethan are missing. After joining the search for Claire, Boone and Locke make a discovery that will change the lives of everyone on the Island.
12 " " Whatever the Case May Be 21–22 robs a bank in New Mexico.
Enlisting Shannon to help translate the papers he stole from Rousseau, Sayid makes a startling discovery. Meanwhile, Kate and Sawyer find a briefcase in wreckage submerged in a hidden lagoon, and find themselves pitted against each other when it becomes clear that the contents of the case hold vital information about Kate's past.
13 " " Hearts and Minds 24 goes to Boone Australia to aid Shannon.
When Boone becomes frustrated with Locke's quest to get inside the hatch, Locke ties him up and drugs him.
14 " " Special 26–27 and Michael s relationship.
Michael builds a raft to get him and his son rescued. Locke and Michael's rivalry is put on hold when they must save Walt from a polar bear.
15 " " Homecoming 27–29 cons Charlie Lucy.
Locke and Boone find Claire in the jungle, suffering from amnesia. Jack, Sayid and Locke devise a way to find and capture Ethan after he kills a survivor.
16 " " Outlaws 29–31 kills Sawyer Duckett.
Kate and Sawyer bond while hunting a boar.
17 " " ...In Translation 32–34 works for Jin Sun's father in order to marry her.
When the raft catches fire, Michael accuses Jin. In order to save him from being beaten, Sun must reveal to Jin that she speaks English.
18 " " Numbers 35–36 uses Hurley numbers he heard while hospitalized to win the lottery, then believes he is cursed.
Hurley sets out to find Danielle after seeing some peculiar numbers on her notes. Michael and Jin start building another raft.
19 " " Deus Ex Machina 39–41 meets and is conned by Locke his real father.
Locke and Boone try to open the hatch. They discover a beechcraft after Locke has a vision. Sawyer begins having headaches.
20 " " Do No Harm 41–42 marries Jack Sarah.
Jack tries to save Boone after his fall from the beechcraft. Claire goes into labor in the jungle. Sayid takes Shannon on a romantic overnight picnic.
N/A Lost: The Journey 1-42 N/A
21 " " The Greater Good 42 infiltrates a terrorist cellgroup.
Locke reappears at Boone's funeral, and Jack and Shannon blame him for his death. Locke takes Sayid to the beechcraft. Shannon tries to kill Locke.
22 " " Born to Run 43 visits Kate Tom and Diane.
Sawyer and Kate fight over his seat on the raft. Sawyer reveals Kate's secret after someone poisons Michael.
23 " " Exodus, Part 1 44 remember the day of the flight.
Rousseau guides a party to the Black Rock for dynamite to blow open the hatch after she warns " the Others" are coming. The Raft leaves the island with Jin, Sawyer, Michael and Walt aboard.
24, 25 " " Exodus, Part 2 44 remember the day of the flight.
Danielle kidnaps Claire's baby in hopes of making a trade with " the Others." Locke blows open the hatch as a possible shelter for the survivors. The raft party makes contact with a not-so- friendly boat crew.
# Image Title Days Flashback
N/A " Destination Lost" 1-44 N/A
01 " Man of Science, Man of Faith" 44 saving Jack Sarah.
Jack and Locke argue over whether or not to enter the Hatch. While looking for Vincent, Shannon sees Walt.
02 " Adrift" 44-45 before Michael Walt moves away.
The journey into the hatch from another perspective. Michael and Sawyer float in the ocean.
03 " Orientation" 44-45 meets Locke Helen.
Locke and Jack watch the orientation film. Jin, Michael and Sawyer are taken prisoner.
04 " Everybody Hates Hugo" 46 after he won the Hurley lotto.
Hurley tasked with rationing the food. Jin, Michael and Sawyer with the tailies.
05 " ...And Found" 47 and Jin meet.
Sun looking for her ring. Michael and Eko search for Walt. The tailies leave for the main camp.
06 " Abandoned" 47-48 is cut off by Shannon Boone's mother after her father's death.
Michael, Jin, Sawyer and the tailies journey towards the camp. Shannon sees Walt and is shot.
07 " The Other 48 Days" 1–48 N/A
The story of the since the tail section survivors crash.
08 " Collision" 48 returns to the Ana Lucia LAPD.
Ana Lucia and Sayid talk after Shannon's death.
09 " What Kate Did" 49 kills Kate Wayne.
Kate watches over Sawyer. Eko has a section of film. Michael receives a message.
N/A " Lost: Revelation" 1-49 N/A
10 " The 23rd Psalm" 50 becomes a Nigerian warlord.
Claire learns of Charlie's heroin problem. Charlie leads Eko to the beechcraft. Michael communicates with Walt via the computer.
11 " The Hunting Party" 51-52 s relationship with Jack' Sarah ends.
Michael journeys out. Jack, Sawyer and Locke meet Tom. Kate captured by the Others.
12 " Fire + Water" 54–56 experiences the breakup of Charlie Drive Shaft.
Charlie kidnaps Aaron, believing he must save him.
13 " The Long Con" 57 cons Sawyer Cassidy.
Sawyer gains possession of the guns with Charlie's help.
14 " One of Them" 58 first becomes a torturer.
Rousseau leads Sayid to a stranger she's caught in the jungle; Sayid uses torture to attempt to determine if he is an Other; Hurley and Sawyer search for a tree frog in the jungle.
15 " Maternity Leave" 58-59 remembers when she was kidnapped by Claire the Others.
Claire, Rousseau, and Kate find the Staff Station in the jungle; Jack and Locke struggle to keep the prisoner a secret.
16 " The Whole Truth" 60–61 deals with Sun Jin's infertility.
Sun discovers she is pregnant; Ana Lucia is recruited to help interrogate Henry Gale. Ana Lucia, Charlie, and Sayid journey into the jungle to confirm if Gale's story is the truth
17 " Lockdown" 61 loses Locke Helen due to his father.
Locke enlists Henry Gale's help when the Swan Station goes into a surprising lockdown mode. Ana Lucia, Charlie, and Sayid return from investigating Henry's balloon.
18 " Dave" 62 deals with his made up friend at Hurley Santa Rosa.
Hurley is shaken to the core when he sees Dave on the island.
19 " S.O.S." 63 and Bernard meet.
Bernard attempts to assemble an enormous SOS sign on the beach; Kate and Jack go into the jungle to propose a Henry Gale-for-Walt swap with the Others; Michael returns.
N/A " Lost: Reckoning" 1-63 N/A
20 " Two for the Road" 63–64 journeys to Australia with Ana Lucia Jack's father.
Michael reveals secrets about the Others' camp to the survivors; Hurley and Libby plan their first date; Michael shoots Libby and Ana Lucia.
21 " ?" 64–65 must investigate a miracle.
Eko and Locke find the Pearl Station; Michael must maintain his cool as he watches Libby die slowly; the rest of the survivors must cope with the situation.
22 " Three Minutes" 65 spends time with Michael the Others.
Michael convinces Hurley, Jack, Kate, and Sawyer to ambush the Others to rescue Walt.
23, 24 " Live Together, Die Alone" 65–67 s life before the island and his time in the hatch with Desmond' Kelvin.
Michael, Jack, Hurley, Kate, and Sawyer are captured; Sayid, Jin, and Sun use Desmond's boat to meet Jack's crew there, and Locke and Desmond prevent Eko from pushing the button.
# Image Title Days Flashback / Flashforward
N/A " Lost: A Tale of Survival" 1-67 N/A
01 " A Tale of Two Cities" 68 suspects Jack Sarah of dating Christian.
Juliet remembers the crash of Oceanic Flight 815. Jack, Kate, and Sawyer are held in unique circumstances by the " Others".
02 " The Glass Ballerina" 69 and Jin deal with Sun Jae Lee.
Sayid's ambush fails. Kate and Sawyer are forced to work. Ben makes an offer to Jack.
03 " Further Instructions" 68 at the Locke commune.
Locke, Eko and Desmond after the implosion. Hurley returns to the beach camp.
04 " Every Man for Himself" 70–71 cons his way out of prison.
Jack can't save Colleen. Ben cons Sawyer. Desmond builds a lightning rod.
05 " The Cost of Living" 71-72 replaces Eko Yemi in the church.
Locke leads a group of survivors to the Pearl. Eko follows Yemi, and gets killed by the "Monster".
06 " I Do" 72–73 s marriage to Kate' Kevin.
Jack operates on Ben. Kate and Sawyer have sex. Pickett and Jason are about to kill Sawyer when Jack's threats stop them.
N/A " Lost Survivor Guide" 1-73 N/A
07 " Not in Portland" 73 s career in Miami.
Jack and Tom finish Ben's surgery. Juliet shoots Danny. Alex, Kate and Sawyer free Karl and escape the Hydra Island.
08 " Flashes Before Your Eyes" 73 goes back in time following the fail-safe.
Desmond saves Claire from drowning and foresees Charlie's death.
09 " Stranger in a Strange Land" 73–74 in Jack Phuket.
Jack bargains with Ben to keep Juliet alive as he is questioned by Isabel. Kate, Sawyer and Karl arrive on the Island.
10 " Tricia Tanaka Is Dead" 76 deals with his Hurley father.
Vincent and Hurley discover the DHARMA van. Kate and Sawyer are back at the camp.
11 " Enter 77" 77–79 works as Najeev in Sayid Le Portail d'Arabie, a restaurant in Paris.
Sayid, Locke, Kate and Danielle investigate the Flame; coming into confrontation with Mikhail and Klugh. Sawyer and Hurley play table tennis.
12 " Par Avion" 80 meets with her Claire father after her mother ends up in a coma from a car accident.
Claire has an idea to catch the migratory birds, tag them with a message, and send them off but it endangers Charlie's fate. Locke, Sayid, Kate, Danielle and Mikhail arrive at the sonar fence.
13 " The Man from Tallahassee" 80 breaks his back as his own Locke father pushes him out of a window.
Locke reveals he wants to destroy the Galaga as Ben manipulates him so it prevents Jack and Juliet leaving the Island. Jack is reunited with Kate.
14 " Exposé" 81 and Nikki steal $ Paulo 8 million in diamonds, then lose them in the crash.
Hurley begins to suspect that Sawyer may be involved in Nikki and Paulo's apparent death, and Sun learns the truth about her past kidnapping attempt by "The Others".
15 " Left Behind" 81–82 teams up with Kate Cassidy Phillips so that Kate can confront her mother.
Kate, after being gassed, is handcuffed to Juliet in the jungle. Hurley fools Sawyer into making amends with the survivors.
16 " One of Us" 82–84 comes to the island.
Juliet arrives at the survivor's camp with Jack, Sayid and Kate. Claire is stricken by a mysterious illness as Juliet rushes to save her.
17 " Catch-22" 84–85 is rejected by a monastery and meets Desmond Penny.
Desmond coaxes Charlie, Hurley and Jin on a trek into the jungle where they see a parachutist crash onto the Island. Kate has sex with Sawyer after Jack and Juliet have dinner together.
18 " D.O.C." 85–86 is blackmailed to keep Sun Jin's past a secret.
Sun allows Juliet to take her to the Staff after learning about the pregnancy issues on the Island. Mikhail treats Naomi for his freedom.
19 " The Brig" 88–89 Having discovered that his father is on the Island, decides to go with Locke the Others.
Locke persuades Sawyer to kill Cooper, unbeknown to him. Sayid interrogates Naomi for information from the outside world.
20 " The Man Behind the Curtain" 89–90 s mother dies in childbirth. Years later, he and Ben' his father come to the island as DHARMA workmen.
Ben remembers arriving on the island with his father and growing up to become the leader of " The Others". Ben takes Locke to see Jacob. Meanwhile, Juliet's secret is exposed to the camp, as is Naomi.
21 " Greatest Hits" 90 recalls the Charlie five greatest moments of his life.
Jack devises a defense plan to combat the Others with Sayid. Charlie takes up the task of swimming down to the Looking Glass to switch off the jamming equipment.
N/A " Lost: The Answers" 1-90 N/A
22, 23 " Through the Looking Glass" 90–91 Three years after the crash, suffers from depression and drug/alcohol abuse.
Jack and the castaways begin their efforts to make contact with Naomi's rescue ship. Charlie is held captive in the Looking Glass. The ploy at the beach does not go as planned.
# Image Title Days Flashback / Flashforward
N/A " Lost: Past, Present and Future" 1-91 N/A
01 " The Beginning of the End" 91 , one of the Hurley Oceanic Six, begins having hallucinations while back in the mental institution.
Feeling that their rescue is close at hand, the survivors don't know whether to believe Charlie’s final message that the people claiming to liberate them are not who they seem to be...
02 " Confirmed Dead" 91–92 , Daniel , Miles , Charlotte and Frank are recruited by Naomi a mysterious man to join the freighter crew.
The survivors begin to question the intentions of their supposed rescuers when four strangers arrive on the Island.
03 " The Economist" 92 , another Sayid Oceanic Six, is a killer for Ben.
Locke's hostage may be the key to getting off the island, so Sayid and Kate go in search of their fellow castaway in an attempt to negotiate a peaceful deal.
04 " Eggtown" 93–94 , one of the Kate Oceanic Six, stands trial for her role as a fugitive.
Kate's need to get information out of the hostage may jeopardize her standing with Locke -- as well as with Sawyer.
05 " The Constant" 94 goes back and forth from 1996 to the present.
Sayid and Desmond meet the crewmembers on the freighter, while the latter experiences some unexpected side effects from the trip.
06 " The Other Woman" 94–95 recalls her relationship with Juliet Goodwin.
Juliet receives an unwelcome visit from someone from her past and is given orders to track down Charlotte and Faraday in order to stop them from completing their mission. Meanwhile, Ben offers Locke an enticing deal.
07 " Ji Yeon" 95–96 , in the past, is running an errand for Mr Paik. Jin , a member of the Sun Oceanic Six in the future, gives birth to a girl.
Juliet is forced to reveal some startling news to Jin when Sun threatens to move to Locke’s camp. Meanwhile, Sayid and Desmond begin to get an idea of the freighter crew’s mission when they meet the ship’s captain.
08 " Meet Kevin Johnson" 96–97 , after meeting an old face, joins the crew of the Michael freighter.
Sayid confronts Ben’s spy on the freighter, and Ben urges daughter Alex to flee Locke’s camp in order to survive an impending attack.
09 " The Shape of Things to Come" 97 tracks down Ben Sayid off the Island to help him in his plot against Widmore.
Locke's camp comes under attack, and Jack tries to discover the identity of a body that has washed ashore.
10 " Something Nice Back Home" 98–99 sees a vision of his father in the future, while his relationship with Jack Kate begins to fall apart.
Juliet and Kate must work together to save Jack when his health is seriously compromised. Something goes wrong as Sawyer, Claire, Miles and Aaron head back to the beach.
11 " Cabin Fever" 98–99 is born prematurely and later receives a visit from Locke Richard Alpert and Matthew Abaddon.
Locke discovers the location of Jacob's cabin, and life aboard the freighter becomes increasingly perilous.
12 " There's No Place Like Home, Part 1" 99–100 The deal with the immediate reaction to their rescue.
While some survivors escape to the Kahana, others head toward the Orchid, and some are captured by the Others.
13, 14 " There's No Place Like Home, Parts 2 & 3" 100–108 Almost three years after leaving the Island, the continue to deal with the consequences.
The Oceanic Six find themselves closer to rescue as the confrontation between the survivors and the freighter people continues.
# Image Title Days Flashback / Flashforward / Secondary Story
N/A " Lost: Destiny Calls" N/A N/A
01 " Because You Left" N/A Jack and Ben try to reunite the Oceanic 6 for a return to the Island to save the remaining survivors.
The remaining survivors begin to feel the effects of the Island's move.
02 " The Lie" N/A Just after his rescue, does not completely agree with Hurley Jack's decision to lie.
In 2007, Hurley, who is on the run from the police with Sayid, has trouble dealing with the secret of the Oceanic 6. Meanwhile, Kate meets an old friend to get some advice. On the island, The remaining survivors continue to feel the effects caused by the Island being moved through time, and later come under attack by unknown forces.
03 " Jughead" N/A witnesses the birth of his son.
In 2007, Desmond goes in search of a woman who could be the key in helping Faraday stop the Island's erractic movements through time. In 1954, Miles, Daniel, and Charlotte are taken captive by the Others while Sawyer and Juliet try to save them. Locke meets with Richard.
04 " The Little Prince" N/A Just after her rescue, decides to take custody of Kate Aaron.
In 2007, Kate attempts to learn who is trying to obtain custody of Aaron, while Ben continues his quest to reunite the Oceanic 6. On the island, The dramatic shifts through time place the lives of the remaining Island survivors in extreme peril, forcing Locke to attempt to return to the Orchid in hopes of escaping the Island.
05 " This Place Is Death" N/A confronts Sun Ben over the death of Jin, and Ben hits a major roadblock in his attempt to reunite the Oceanic 6 and bring them back to the Island.
Locke takes on the burden to stop the Island's increasingly violent shifts through time. In 1988, witnesses the downfall of the Jin Science Expedition.
06 " 316" 1 , Jack Kate, and Hurley wake up back on the Island and are confronted by Jin.
The way back to the Island is revealed to Jack and the other members of the Oceanic 6, but there's trouble ahead when not all of them wish to return.
07 " The Life and Death of Jeremy Bentham" 1-2 s fateful mission off the Island as Jeremy Bentham is revealed.
Caesar and Ilana attempt to discover the identity of a mysterious man amongst the Flight 316 survivors.
08 " LaFleur" 1 In 1977, the remaining Island survivors, including , have become members of the Sawyer DHARMA Initiative.
In 1974, Sawyer perpetuates a lie with some of the other Island survivors in order to protect themselves from mistakes of the past.
09 " Namaste" 1 In the aftermath of Flight 316's crash on Hydra Island, Sun and Frank journey to the main Island in an attempt to find Jin.
When some old friends drop in unannounced, Sawyer is forced to further perpetuate his lie in order to protect them.
10 " He's Our You" 2 struggles after his purpose off the Island is cut short.
Things begin to unravel when one of the survivors goes rogue and takes matters into their own hands, risking the lives of everyone on the Island.
11 " Whatever Happened, Happened" 2-3 (1977) 3 (2007) takes care of Sawyer's favor and begins to tell the truth about the lie in order to protect Kate Aaron.
Kate goes to extreme measures to save Ben's life when Jack refuses to help.
12 " Dead Is Dead" 3 (1977) 3-4 (2007) The origins of the strained relationship between and Ben Widmore are revealed.
To atone for sins of the past, Ben must attempt to summon the Smoke Monster in order to be judged.
13 " Some Like It Hoth" 3 , realizing he has the ability to communicate with the dead, is recruited by Naomi to join the crew of the Miles .
A reluctant Miles is forced to work with Hurley when he's asked to deliver an important package to a top DHARMA official. Meanwhile, suspicions about a possible security breach intensify after young Ben is taken from the infirmary.
N/A " Lost: The Story of the Oceanic 6" N/A N/A
14 " The Variable" 4 is convinced to journey to the Island by Eloise and Widmore.
The time of reckoning has begun when Daniel Faraday comes clean regarding what he knows about the Island.
15 " Follow the Leader" 4 (1977) 4-5 (2007) Jack and Kate find themselves at odds over the direction to take to save their fellow Island survivors, while Sawyer and Juliet come under scrutiny from the DHARMA Initiative.
Locke further solidifies his stance as leader of The Others, though worrying and Ben about his true intentions.
N/A " Lost: A Journey in Time" N/A N/A
Clip show preceding the two-hour Season 5 finale.
16, 17 " The Incident, Parts 1 & 2" 4 (1977) 5 (2007) sets his plan in motion by visiting many of the survivors at pivotal moments in their lives.
In 1977, Jack's decision to put a plan in action in order to set things right on the Island is met with some strong resistance by those close to him. In 2007, Locke assigns Ben a difficult task.
# Image Title Flashsideways / Flashback
N/A Lost: Final Chapter N/A
01, 02 " " LA X, Parts 1 & 2 land safely in Los Angeles.
The passengers of Oceanic Flight 815
The aftermath from Juliet's detonation of the hydrogen bomb is revealed. The man impersonating John Locke discloses his true intentions to Ben.
03 " " What Kate Does finds herself on the run.
Jack is tasked with something that could endanger a friend's life. Kate follows a mourning Sawyer.
04 " " The Substitute struggles to find balance in his life after he is fired from his job.
The Man in Black, indefinitely trapped in the guise of Locke, seeks help to support his cause.
05 " " Lighthouse deals with the challenges of parenthood.
Hurley must convince Jack to accompany him on an unspecified mission. Jin stumbles across an old friend.
06 " " Sundown is drawn into a family crisis.
Claire sends a warning to the temple inhabitants. Sayid chooses his final stand.
07 " " Dr. Linus copes with internal matters in his workplace.
Ben deals with the consequences of an uncovered lie. Jack and Hurley follow Richard to the Black Rock.
08 " " Recon ' dark past collides with his present.
The Man in Black tasks Sawyer with a mission. Kate is forced to deal with an unstable Claire.
09 " " Ab Aeterno , aboard the Richard Black Rock, crashes onto the Island.
Richard faces a difficult decision regarding his allegiance before having an unexpected meeting.
10 " " The Package and Jin attempt to keep their relationship a secret in order to protect themselves.
Jin and Sun desperately continue their search for one another. The Man in Black confronts Widmore.
11 " " Happily Ever After experiences strange visions while escorting Charlie.
Desmond wakes up to discover he's back on the Island.
12 " " Everybody Loves Hugo begins to remember moments from the Island with the help of Hurley Libby.
Hurley agonizes over what the group should do next. The Man in Black is curious about the new arrival to his camp.
13 " " The Last Recruit find themselves heavily involved in each other's lives.
The passengers of Oceanic Flight 815
Alliances are forged and broken as the Man in Black and Jack camps merge.
14 " " The Candidate seeks out clues as to how Jack was paralyzed.
Jack must decide whether or not to trust the Man in Black after he is asked to follow through on a difficult task.
15 " " Across the Sea N/A
The history of the relationship between and the Jacob is revealed.
Man in Black
16 " " What They Died For Sensing a connection between , Desmond attempts to bring everyone together.
the passengers of Oceanic Flight 815
The Man in Black devises a new strategy as Jack's group searches for Desmond.
N/A " " Lost: The Final Journey N/A
17, 18 " " The End come together to move on.
The passengers of Oceanic Flight 815, as well as other people connected to them,
The battle lines are drawn as the Man in Black puts his plan into action, which could finally liberate him from the Island, while Jack and the remaining survivors take their final stand to save the Island from destruction.