Tunnels in a South Pacific island......after their plane crashes.......a regular commercial plane.....compare with the STILL missing Malaysia airline....bound for Beijing..............break some China.....ride the Oriental Express.......look at the code......

Season 1[edit]

Season 1 begins with the aftermath of a plane crash, which leaves the surviving passengers of Oceanic Airlines Flight 815 on what seems to be an uninhabited tropical island. Jack Shephard, a doctor, becomes their leader. Their survival is threatened by a number of mysterious entities, including polar bears, an unseen creature that roams the jungle (the "Smoke Monster"), and the island's malevolent inhabitants known as "The Others". They encounter a French woman named Danielle Rousseau, who was shipwrecked on the island 16 years before the main story and is desperate for news of a daughter named Alex. They also find a mysterious metal hatch buried in the ground. While two survivors, Locke and Boone, try to force the hatch open, four others, Michael, Jin, Walt, and Sawyer attempt to leave on a raft that they have built. Meanwhile, flashbacks centered on individual survivors detail their lives prior to the plane crash.

Season 2[edit]

Season 2 follows the growing conflict between the survivors and the Others and continues the theme of the clash between faith and science, while resolving old mysteries and posing new ones. The four survivors in the raft are ambushed by the Others, and they take Walt, Michael's son. The survivors are forced to return to the island, where they find the tail-section survivors (the "Tailies"). A power struggle between Jack and John Locke over control of the guns and medicine located in the hatch develops, resolved in "The Long Con" by Sawyer when he gains control of them. The hatch is revealed to be a research station built some thirty years earlier by the Dharma Initiative, a scientific research project that involved conducting experiments on the island. A man named Desmond Hume had been living in the hatch for three years, activating a computer program every 108 minutes to prevent an unknown catastrophic event from occurring. To recover his son, Michael betrays the survivors and Jack, Sawyer, and Kate are captured. Michael is given a boat and leaves the island with his son, while John destroys the computer in the hatch, whereupon an electromagnetic event shakes the island. This causes the island to be detected by scientists working for Penelope Widmore, and it is revealed that a similar event caused the breakup of the plane.

Season 3[edit]

In Season 3, the crash survivors learn more about the Others and their long history on the mysterious island, along with the fate of the Dharma Initiative. The leader of the Others, Benjamin Linus, is introduced as well and defections from both sides pave the way for conflict between the two. Time travel elements also begin to appear in the series, as Desmond is forced to turn the fail-safe key in the hatch to stop the electromagnetic event, and this sends his mind eight years to the past. When he returns to the present, he is able to see the future. Kate and Sawyer escape the Others, while Jack stays after Ben promises that Jack will be able to leave the island in a submarine if he operates on Ben, who has cancer. Jack does, but the submarine is destroyed by John. Jack is left behind with Juliet, an Other, who also seeks to leave the island, while John joins the Others. A helicopter carrying Naomi crashes near the island. Naomi says her freighter, Kahana, is near and was sent by Penelope Widmore, Desmond's ex-girlfriend. Desmond has a vision in which Charlie will drown after shutting down a signal that prevents communication with the exterior world. His vision comes true, but Charlie speaks with Penelope, who says she does not know any Naomi. Before drowning, Charlie writes on his hand "Not Penny's Boat" so Desmond can read it. Meanwhile, the survivors make contact with a rescue team aboard the freighter. In the season's finale, apparent flashbacks show a depressed Jack going to an unknown person's funeral. In the final scene, these are revealed to be "flash forwards", and Kate and Jack are revealed to have escaped the island. Jack, however, is desperate to go back.

Season 4[edit]

Season 4 focuses on the survivors dealing with the arrival of people from the freighter, who have been sent to the island to reclaim it from Benjamin. "Flash forwards" continue, in which it is seen how six survivors, dubbed the "Oceanic Six", live their lives after escaping the island. The "Oceanic Six" are Jack, Kate, Hurley, Sayid, Sun, and Aaron. In the present, four members of the freighter arrive and team up with the survivors to escape the island, since the people of the freighter have orders to kill everyone who stays.

Meanwhile, Ben travels with John to see Jacob, the island's leader. John enters his house but finds Jack's dead father, Christian, who says he can speak on Jacob's behalf, and orders John to "move" the island. Ben takes John to an underground station in which time travel was researched. John becomes the new leader of the Others, while Ben moves the island by turning a giant frozen wheel, after which he is transported to the Sahara. The six survivors escape in a helicopter as they watch the island disappear and are subsequently rescued by Penelope.

In the season finale, it is revealed that the funeral Jack went to in the "flash forwards" was that of John Locke, who had been seeking out the Oceanic Six in his efforts to convince them to return to the island.

Season 5[edit]

Season 5 follows two timelines. The first timeline takes place on the island where the survivors who were left behind erratically jump forward and backward through time. In one of these time periods, John speaks with Richard Alpert, one of the Others, who says that to save the island, he must bring everyone back. John goes to the same underground station Ben went to. After moving the wheel himself, John is transported to the Sahara in 2007, as the time shifts on the island stop and the survivors are stranded with the Dharma Initiative in 1974. In 2007, John contacts the Oceanic Six, but no one wants to return. The last one of the Oceanic Six he finds is a depressed Jack. John tells Jack his father is alive on the island. This seriously affects Jack, and he begins taking flights, hoping to crash on the island again. Ben finds John and kills him. After John's death, the Oceanic Six are told to board the Ajira Airways Flight 316 to return to the island and in order to go back, they have to take John Locke's body in the plane. They take the flight, but some land in 1977, where they meet with the other survivors who are now part of the Dharma Initiative, and others land in 2007. The survivors in 1977 are told by Daniel Faraday that if they detonate a nuclear bomb at the hatch's construction site, the electromagnetic energy below it will be negated, and, thus, the hatch would never be built and, thus, their future could be changed. In 2007, John Locke apparently comes back to life. He instructs Richard Alpert to speak with a time-traveling John and tell him that he must bring everyone back to the island. After this, he goes to speak with Jacob. The season finale reveals that John Locke is still dead and another entity has taken over his form just to make Ben kill Jacob. In 1977, Juliet detonates the fission core taken from the hydrogen bomb.