Where to stream every episode from all 6 seasons of Lost. Filter these episodes by what's available to watch free or on your streaming services using the tabs above.
Season 1Hulu | Rent or Buy
S01 E01Sep 23, 2004
Pilot Part 1 Sep 23, 2004 Stripped of everything, the 48 survivors scavenge what they can from the plane for their survival. Some panic. Some pin their hopes on rescue. A few find inner strength they never knew they had-like Kate who, with no medical training, suddenly finds herself suturing the doctor's wounds. The band of friends, family, enemies and strangers must work together against the cruel weather and harsh terrain. But the intense howls of mysterious creatures stalking the jungle fill them all with fear. Fortunately, thanks to the calm leadership of quick-thinking Jack and level-headed Kate, they have hope. But even heroes have secrets, as the survivors will come to learn.
S01 E02Sep 30, 2004
Pilot Part 2 Sep 30, 2004 Having escaped the "creature" and retrieved the plane transceiver, a group of the survivors travel to higher ground so they can transmit a signal. En route, they receive a mysterious transmission and encounter another of the island's inhabitants. Meanwhile, back at camp, Jack tends to a wounded man who reveals a secret about Kate.
S01 E03Oct 7, 2004
Tabula Rasa Oct 7, 2004 Jack and Hurley discover an alarming secret about Kate, as the marshal's life hangs in the balance and he suffers a lot of pain. Meanwhile Kate, Charlie, Sawyer, Sayid, Boone and Shannon ponder the mysteries they have begun to uncover and worry that telling the other survivors will cause panic. They decide to lie for the time being. Also, Locke's befriending of Walt disturbs Michael, but Walt is more concerned in finding his dog. Lastly, Kate flashes back to when she was arrested by the marshal in Australia.
S01 E04Oct 14, 2004
Walkabout Oct 14, 2004 The survivors are jolted awake in the middle of the night when wild island beasts (which are wild boars) invade the beach encampment. Kate and Michael join the mysterious Locke on a hunt for food -- and a shocking secret about Locke is revealed. On the hunt for food someone is injured. Meanwhile, some survivors are horrified by Jack's plan for the dead bodies still scattered among the wreckage -- he wants to burn them. Jack sees someone that's not there, and we find out that one of the survivors was not able to walk but now he can.
S01 E05Oct 21, 2004
White Rabbit Oct 21, 2004 Jack is nearly delirious from lack of sleep and struggles to overcome the haunting events that brought him to Australia and, subsequently, to the island. Meanwhile, Boone gets caught in a treacherous riptide trying to save a woman who went out swimming. A pregnant Claire's health takes a bad turn from lack of fluids, and a thief may have stolen the last bottles of water. Veronica Hamel guest-stars as Jack's mother, Margo.Also, Jack flashes back at 12 years old, to find himself on the playground in an altercation with a bully, who ultimately beats him up, and later learns a life lesson from his father.
S01 E06Oct 28, 2004
House of the Rising Sun Oct 28, 2004 Walt and the others are shocked when Michael is brutally beaten, but only the non-English-speaking Jin and Sun know the truth behind the attack. Meanwhile Kate, Jack, Sawyer and Sayid argue about where the survivors should camp -- on the beach, where they're more likely to be seen, or in a remote inland valley where fresh water abounds; and Locke discovers Charlie's secret.
S01 E07Nov 4, 2004
The Moth Nov 4, 2004 Charlie begins a painful journey of withdrawal from drugs, surprisingly aided by Locke, whose true motive for helping Charlie is a mystery. Meanwhile, survivors struggle to find and free Jack when he's buried alive in a cave collapse, and someone might be secretly thwarting Sayid, Kate, and Boone when they enact a plan to find the source of the French transmission.
Season 2Hulu | Rent or Buy
S02 E01Sep 22, 2005
Man of Science, Man of Faith Sep 22, 2005 Jack, Locke and Kate explore the mysterious hatch but Jack decides to wait before going down into the hatch. Kate and Locke aren't so patient. When Shannon chases after Vincent the dog, she encounters a familiar face in the jungle.
S02 E02Sep 29, 2005
Adrift Sep 29, 2005 With the abduction of Walt fresh on their minds, their raft destroyed, and Jin missing, Michael and Sawyer fight for their lives in the middle of nowhere in the ocean and discover a new predator in the roiling sea. Meanwhile on land, Locke must descend into the hatch when Kate goes missing inside. Also, Jack isn't too far behind Locke as he decides to go into the hatch as well later on. Lastly, flashbacks reveal more of Michael's troubled relationship with ex-lover Susan and their baby son Walt as they fight over custody for Walt and Michael must let go.
S02 E03Oct 6, 2005
Orientation Oct 6, 2005 Jack, Locke and Kate learn more secrets about the hatch. Meanwhile, after being beaten and taken captive, Sawyer, Michael and Jin wonder if their captors are fellow survivors or the dreaded "Others." Flashbacks reveals more of Locke's past in this episode as well as the introduction of Helen (guest star Katey Segal) who shakes things up even more with her revealing personality and past.
S02 E04Oct 13, 2005
Everybody Hates Hugo Oct 13, 2005 Hurley struggles with an assigned task inside the hatch as he flashbacks to disturbing memories in his life before the crash. Meanwhile, Sawyer, Michael and Jin learn the identities of their captors on the island. Claire uncovers a startling piece of information about the fate of the raft.
S02 E05Oct 20, 2005
...And Found Oct 20, 2005 Michael sets off into the jungle by himself determined to find Walt, but discovers that he is not alone. Meanwhile, Sawyer and Jin are ordered by their captors to take them to their camp, and Sun frantically searches for her missing wedding ring. In flashbacks this episode reveals more of Jin's life before ending up on the island.
S02 E06Nov 10, 2005
Abandoned Nov 10, 2005 Sawyer's wound becomes life-threatening as he, Michael and Jin make their way through the interior of the island with the tail section survivors. Meanwhile, Shannon is once again haunted by visions of Walt.
S02 E07Nov 17, 2005
The Other 48 Days Nov 17, 2005 The harrowing first 48 days in the lives of the tail section survivors are revealed. Flashbacks reveal the point of view of Ana-Lucia, Mr. Eko, Bernard and Libby and other survivors as they landed on the other side of the island on the beach. As the days progress danger hits their camp as well when "The Others" start taking people against their will. As the survivors race inland, trying to stay a step ahead of The Others, they realize that someone among them wasn't on Flight 815.
Season 3Hulu | Rent or Buy
S03 E01Oct 5, 2006
A Tale of Two Cities Oct 5, 2006 Jack, Kate, and Sawyer are prisoners of the mysterious "Others." After their captors drug them and take blood samples, they are held in separate areas. The camp leaders--Ben (Henry Gale), Mr. Friendly and a new woman, Juliet--try to make the castaways adjust to their new circumstances.Flashbacks reveal more about Jack's past with his father and his wife Sarah.
S03 E02Oct 12, 2006
The Glass Ballerina Oct 12, 2006 Sun and Jin's lives are put in danger when Sayid tries to locate Jack and the other missing castaways. Sayid also creates a plan in order to get the attention of the "Others" on the beach. Meanwhile, Henry (i.e. Ben) gives Jack an offer that is very tempting in exchange for his cooperation. Lastly, Kate and Sawyer must adjust to harsh conditions that are being forced upon them by "The Others."
S03 E03Oct 19, 2006
Further Instructions Oct 19, 2006 Locke, Eko and Desmond are found scattered about the island after the implosion of the hatch. Locke receives a message from the Island asking him to fix the situation he caused.Hurley returns to the beach camp to report the imprisonment of Kate, Jack and Sawyer by the Others.Desmond has been fundamentally altered by the implosion, giving him a mysterious new power.
S03 E04Oct 26, 2006
Every Man for Himself Oct 26, 2006 The Others prevent Sawyer and Kate from escaping, leaving Sawyer perplexed by the extent of the measures taken to keep them imprisoned. Jack is asked to use his medical training to save the life of one of the Others. At the beach, Desmond's strange behavior attracts attention. He begins to construct a mysterious device.
S03 E05Nov 2, 2006
The Cost of Living Nov 2, 2006 A delirious Eko wrestles with past demons; some of the castaways go to the Pearl station to find a computer they can use to locate Jack, Kate and Sawyer; Jack does not know who to trust when two of the Others are at odds with each other.
S03 E06Nov 9, 2006
I Do Nov 9, 2006 Jack makes a decision regarding Ben's offer. Sawyer's life is placed in danger when Pickett decides to make good on his threat. Locke discovers a hidden message that may help unlock the island's secrets. Kate recalls memories from the past, which caused her to make an important choice.
Season 4Hulu | Rent or Buy
S04 E01Feb 1, 2008
The Beginning of the End Feb 1, 2008 They thought they had met the enemy. They thought they had seen evil. They thought wrong. As the new season begins, the survivors feel that rescue is close at hand, but they don't know whether or not to believe Charlie's final message that the people claiming to liberate them are not who they seem to be. As unlikely alliances are formed, those they thought could be trusted may turn against them, as the enemy of their enemy becomes their friend. But who can be trusted? Is rescue really as close as it seems?
S04 E02Feb 8, 2008
Confirmed Dead Feb 8, 2008 The survivors begin to question the intentions of their supposed rescuers when four strangers arrive on the island.
S04 E03Feb 15, 2008
The Economist Feb 15, 2008 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.
S04 E04Feb 22, 2008
Eggtown Feb 22, 2008 Kate needs to get information out of the hostages, but it may jeopardize her standing with Locke -- as well as with Sawyer. Meanwhile in the future Kate's Court hearings take place.
S04 E05Feb 29, 2008
The Constant Feb 29, 2008 Sayid and Desmond hit a bit of turbulence on the way to the freighter, which causes Desmond to experience some unexpected side effects.
S04 E06Mar 7, 2008
The Other Woman Mar 7, 2008 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 -- by any means necessary. Meanwhile, Ben offers Locke an enticing deal.
Season 5Hulu | Rent or Buy
S05 E01Jan 22, 2009
Because You Left Jan 22, 2009 The remaining island survivors start to feel the effects of the aftermath of moving the island, and Jack and Ben begin their quest to reunite the Oceanic 6 in order to return to the island with Locke's body in an attempt to save their former fellow castaways.
S05 E02Jan 22, 2009
The Lie Jan 22, 2009 Hurley and Sayid are on the run from the cops after stumbling into trouble at the safehouse; the island survivors come under attack by unknown forces; and an old friend offers some shocking advice to Kate in order to ensure that "the lie" remain a secret.
S05 E03Jan 29, 2009
Jughead Jan 29, 2009 Desmond looks for a woman who might be the key to helping Faraday stop the island's unpredictable movements through time; Locke finds out who has been attacking the survivors.
S05 E04Feb 5, 2009
The Little Prince Feb 5, 2009 Kate discovers that someone knows the secret of Aaron's true parental lineage. Meanwhile, the dramatic shifts through time are placing the lives of the remaining island survivors in extreme peril.
S05 E05Feb 12, 2009
This Place Is Death Feb 12, 2009 Locke shoulders the burden of ending the island's increasingly violent movements through time; Ben is stymied in his efforts to reunite the Oceanic 6 and bring them back to the island.
S05 E06Feb 19, 2009
316 Feb 19, 2009 The members of Oceanic 6 discover how to get back to the island, but not all of them want to return.
Season 6Hulu | Rent or Buy
S06 E01Feb 3, 2010
LA X (1) Feb 3, 2010 A parallel universe, in which the crash never happened, is revealed as an aftermath of the bomb's detonation. Meanwhile, Sawyer blames Jack for the loss of Juliet and the true identity of the monster is revealed.
S06 E02Feb 3, 2010
LA X (2) Feb 3, 2010 Jack, Sawyer, Kate, Miles and Hurley, struggling to save Sayid, face an ancient secret. Meanwhile, a fake Lock exits the chamber to everyone's awe.
S06 E03Feb 10, 2010
What Kate Does Feb 10, 2010 Kate finds herself on the run, while Jack is tasked with something that could put a friend's life at risk.
S06 E04Feb 17, 2010
The Substitute Feb 17, 2010 Locke goes in search of help to further his cause. Kate finds herself on the run, while Jack is tasked with something that could put a friend's life at risk.
S06 E05Feb 24, 2010
Lighthouse Feb 24, 2010 Hurley must convince Jack to accompany him on an unspecified mission, and Jin stumbles across an old friend.
S06 E06Mar 3, 2010
Sundown Mar 3, 2010 Sayid is faced with a difficult decision, and Claire sends a warning to the temple inhabitants.