Begining of the End| Watch

Upon learning that Penny did not send the freighter, the survivors of 815 split into two groups led by Jack and Locke. Meanwhile, Hurley and Claire struggle with the news of Charlie's death. In flashforwards, Hurley is revealed to be one of the "Oceanic Six"—a group of six survivors, including Jack and Kate, of the crash of 815 who have escaped the island.

Confirmed Dead | Watch

A science team from the freighter flown via helicopter by pilot Frank arrives on the island. A single flashback for each of the freighter crew members introduces their backstories. The episode's final flashback focuses on the late Naomi, who meets with Abaddon to discuss the science team and pilot. The team consists of Daniel, a physicist; Miles, a medium, and Charlotte, an anthropologist.

Economist | Watch

Locke's group settles into the Barracks. Sayid makes a deal with Frank to leave the island, in exchange for freeing Charlotte. Sayid holds up his end of the deal; however, he obtains Charlotte by trading her for Miles. Frank, Sayid and Desmond leave the island for the freighter by helicopter. In flashforwards, Oceanic Six member Sayid works as an assassin for Ben.

Eggtown | Watch

Kate goes on a quest to get information from Miles, which leads to her banishment from Locke's group. In flashforwards, Kate is raising Claire's son Aaron and goes on trial for her numerous past crimes.

The Constant | Watch

Upon arriving on the freighter, Desmond gains his 1996 consciousness and time travels between 2004 and 1996. In 1996, he finds Daniel, who explains to him that he needs to find something or someone familiar in both times to stop his life-threatening time traveling. In 1996, he locates Penny; in 2004, he contacts Penny.

The Other Woman | Watch

Juliet and Jack pursue Daniel and Charlotte, after they leave without notice for the Dharma electrical station, where they render a deadly gas inert. Meanwhile, Ben, who is being held captive by Locke, tells Locke about Widmore. Flashbacks show Juliet's relationships with Ben, her lover Goodwin and his wife Harper.

episode 407 - Ji Yeon | Watch

Ji Yeon | Watch

When Jin and Sun decide to join Locke's group, Juliet informs Jin of Sun's affair. On the freighter, Desmond and Sayid meet Gault, who offers more details on the fake wreckage of 815 previously mentioned by Naomi. Flashbacks show Jin on a maternal mission, while flashforwards show Sun—another member of the Oceanic Six—giving birth.

episode 408 - Meet Kevin Johnson | Watch

Meet Kevin Johnson | Watch

Sayid and Desmond confront Ben's spy on the freighter: Michael. Flashbacks show how Michael got from New York to the freighter, including his suicide attempts and deal with the Others.

episode 409 - Shape of Things to Come | Watch

Shape of Things to Come | Watch

A team of mercenaries from the freighter attacks Locke's group at the barracks. The leader of the team, Keamy, takes Alex hostage and eventually kills her. In flashforwards, Ben recruits Sayid as his assassin and confronts Widmore.

episode 410 - Something Nice Back Home | Watch

Something Nice Back Home | Watch

Sawyer, Miles and Claire make their way back to the beach camp from the Barracks, but Claire disappears in the night with her deceased father. Meanwhile, Jack falls ill with appendicitis and the survivors work together to save him. In flashforwards, Jack's life begins to fall apart as he starts taking pills and his relationship with Kate becomes strained.

episode 411 - Cabin Fever | Watch

Cabin Fever | Watch

Locke, Ben and Hurley journey to Jacob's cabin, where Locke is informed that they have to move the island. After returning to the freighter, the mercenaries stage a mutiny. In flashbacks, Locke is shown to have always been destined to become the next leader of the island.

episode 412 - Theres No Place Like Home Pt1 | Watch

Theres No Place Like Home Pt1 | Watch

Six of the survivors are taken to the freighter and explosives are discovered onboard. Meanwhile, Ben surrenders to the mercenaries and Kate and Sayid meet the Others in the forest. Flashforwards show the Oceanic Six's first actions after returning home.

episode 413 - Theres No Place Like Home Pt2 | Watch

Theres No Place Like Home Pt2 | Watch

After Kate, Sayid and the Others free Ben and kill the mercenaries, Jack, Kate, Sayid, Hurley, Sun, Aaron, Desmond and Frank are rescued by Penny after Ben and Locke succeed in moving the island and the freighter explodes. In flashforwards, the Oceanic Six and Walt react to visits from Locke.