A young arcade junkie attempts to master POLYBIUS, a sinister new game of unknown origin that induces nightmarish visions, but when kids start dying, he must beat the game to…

After learning that he may be the birth father to Sandy’s (guest-star Haylie Duff) unborn child, Martin is left feeling very confused about what to do in his situation, while…

As Christian tries to recapture Wolfe, he remembers their past when Wolfe was a philosopher rather than a killer.

When a popular high school coach claims he was attacked by a student with a crush on him, Beth and Jack investigate. Meanwhile, Ray brings Perry into his plans to…

A shaky Walt searches for Donna as he and Vic reconstruct what happened in the cabin. Mathias has a deal for Henry. Cady tells Walt about a job offer.

Henry renegotiates his deal with Mathias. Walt’s search for Donna leads to too many suspects. A phone message sends Walt down an unexpected path.

Sam’s time is taken up by her studies for a pharmacology exam, leaving Gates feeling neglected. A school fight results in a stabbing, with Brenner treating the victim and trying…

When a young woman finds a teenage boy asleep and naked in her bedroom, his mother, Bree Walsh, is quick to defend him. While Detective Benson and Detective Stabler try…

House and Chase find themselves in a serious situation after a young mother with stomach pains dies. Months later, Stacy counsels Chase prior to his disciplinary hearing, and must determine…

To atone for sins of the past, Ben must attempt to summon the smoke monster in order to be judged.

After meeting old acquaintances Sawyer is forced to continue lying to protect them.

Everyone on the island is at risk when one of the survivors decides to go against them and taking matters into their own hands.

Kate goes to extreme measures to save Ben’s life when Jack refuses to help. Meanwhile, Kate begins to tell the truth about the lie in order to protect Aaron.

Ben unwillingly divulges information to Locke about the island, taking him on a journey to various locations including strange monuments and the mysterious Jacob. Back at the beach, Juliet’s secret…