When a fellow agent is murdered, the NCIS teams heads into the desert to locate a woman who might hold the answer to the mystery murder.

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.

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.

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,…

The survivors begin to question the intentions of their supposed rescuers when four strangers arrive on the island.

The season 3 finale finds the castaways preparing for an invasion by the slightly less mysterious Others, while Charlie and Desmond find more than they were looking for in the…

The season 3 finale finds the castaways preparing for an invasion by the slightly less mysterious Others, while Charlie and Desmond find more than they were looking for in the…

While Jack devises a plan to do away with “The Others” once and for all, Sayid uncovers a flaw in “The Others’” system that could lead to everyone’s rescue. But…

After abandoning the Others, Locke takes Sawyer on a trek through the jungle to help him eliminate a common enemy. Meanwhile, back at the beach, the parachutist Naomi has crucial…

Claire has an idea to send a message to the outside world. Charlie, however, is resistant to the idea, and Desmond tries to sabotage the plan. As Claire tries to…

When Kate and Locke arrive at the Others’ camp, Ben promises to tell Locke the island’s secrets as long as he stops his destructive plan, and Kate’s reunion with Jack…

Kate is still struggling over their decision to leave Jack in the hands of the Others as she and Sawyer return to their camp. Meanwhile, Hurley finds an old van…

On their mission to rescue Jack, Kate, Sayid, and Locke stumble upon a mysterious structure surrounded by farm animals and meet its strange inhabitant. Back at the camp, in order…

After Sun is attacked, some of the survivors begin to think that one of the “other survivors” might be one of “The Others.” When French woman Danielle Rousseau leads Sayid…

A mysterious illness that baby Aaron suddenly contracts sends a desperate Claire, Kate and French woman Danielle to return to the same area where Claire was initially kidnapped. It is…

The castaways on the raft run into unexpected trouble. Meanwhile, the remaining islanders attempt to blow open the hatch. Flashbacks continue to show the survivor’s final moments before boarding their…

The French woman-Danielle Rousseau-shocks the survivors by showing up to the camp with a dire warning about “the Others” who are on the island, and the black smoke that precedes…

When Hurley becomes obsessed with the French woman and heads into the jungle to find her, Jack, Sayid and Charlie have no choice but to follow. Hurley flashes back to…

Sayid’s life is placed in grave danger after he stumbles upon the source of the mysterious French transmission, the woman Danielle Rousseau (guest-star Mira Furlan). She was on the distress…