Jack, Kate, Locke and Boone go after Ethan, Claire and Charlie. They separate, and while Jack and Kate confront Ethan, Locke and Boon find another mystery at the jungle. Flashbacks reveal more about Jack’s past with his dad.

Watch "Season 1 Episode 11 : ‘All the Best Cowboys Have Daddy Issues’"

Claire begins to have reoccurring nightmares which one night result in her turning up with bloody hands, which leads Charlie to find out what is really going on. However, Jack isn’t sure that anything really happened. Meanwhile, Hurley finds the flight manifest and discovers something shocking about a certain passenger.

Watch "Season 1 Episode 10 : ‘Raised by Another’"

Ashamed with his behavior torturing Sawyer, Sayid Jarrah decides to leave the group of survivors and travel alone through the island, trying to find the source of transmission and map the place. He is arrested and tortured by the French survivor Danielle Rousseau (Mira Furlan) and recalls his beloved Nadia (Andrea Gabriel) back to his days years earlier in Iraq as part of the interrogation/torturer for the Republican Guard. Meanwhile, Hurley decides to get the survivors spirits up by getting up a golf course in a sunny field.

Watch "Season 1 Episode 9 : ‘Solitary’"

Shannon his having an asthma attack, and Boone is sure that Sawyer has her medications- but he won’t give it. As Kate’s way to deal with this situation doesn’t work, Sayid takes things into his own hands… and IT WILL NOT end good.

Watch "Season 1 Episode 8 : ‘Confidence Man’"

Trying to kick his drug habit with encouragement from Locke, Charlie starts to go through heroin withdrawl, struggling with his resolve. Jack is trapped in a cave-in, and Charlie becomes trapped with him when the first rescue tunnel collapses as well. Kate, Sayid, and Sawyer attempt to triangulate the position of the distress signal coming from the island. Charlie has flashbacks of his rock band, and his decent into drug abuse.

Watch "Season 1 Episode 7 : ‘The Moth’"

Jin jumps Michael and tries to beat him to death for no apparent reason, which gets him handcuffed to the wreckage until “why” can be figured out. While gathering water, Jack starts to talk about moving the survivors to the near-by cave for safety and practicality, but is met with resistance and reluctance. The survivors are torn between having a better, safer place to camp, or staying on the beach to watch for a possible rescue. Flashbacks by Sun, reveal pieces of her life with her husband, Jin, before the plane crash, and she reveals a secret to Michael that even her own husband is unaware of - she speaks English. Locke confronts Charlie about his drug use.

Watch "Season 1 Episode 6 :’House of the Rising Sun’"

Dr. Jack Shephard is not able to save a survivor drowning in the sea and he becomes affected by the incident and the pressure of the community pointing him as a leader. Jack has visions of his father in the island and tries to chase him. Jack’s background story is revealed showing the relationship he had with his difficult and unscrupulous surgeon father, and the reason why Jack ventured to Australia. Meanwhile, the finishing water supply is stolen, and everyone suspects the nasty and selfish Sawyer. But Jack resolves his inner problems with his past and finds a source of water for the survivors.

Watch "Season 1 Episode 5 : ‘White Rabbit’"

Watch "Season 1 Episode 4 : ‘Walkabout’"

Watch "Season 1 Episode 3 : ‘Tabula Rasa’"

Jack, Kate and Charlie return to the group, but the transceiver is broken. Sayid Jarrah fixes the apparatus and organizes an expedition with Kate, Charlie, Shannon Rutherford and her brother Boone Carlyle and the dangerous James “Sawyer” Ford to hike and climb a mountain to transmit a SOS. The group receives a sixteen years old distress call from a French woman in the island instead and kills a polar bear. They return to the survivor’s base and decide to hide the information to preserve the hope of the group.

Watch "Season 1 Episode 2 : ‘Pilot Part 2′"

Forty-eight survivors of an airline flight originating from Australia, bound for the U.S., which crash-lands onto an unknown island 1000 miles off course, struggle to figure out a way to survive, why trying to find a way to be rescued.

Watch "Season 1 Episode 1 : ‘Pilot Part 1′"