Episode Title: "Homecoming"

Episode Number: 15

Production Number: 114

Air Date: 2/9/05

Synopsis: A still-pregnant and disoriented Claire can remember nothing of her abduction or time on the island. Ethan returns to the camp and warns the survivors that he will kill one person every day until they return Claire to him, and proves it by killing one of the survivors that night. Using guns from the dead U.S. marshal's luggage, Locke and Jack decide to lure Ethan using Claire as bait.

Flashback: We see Charlie's descent into heroin addiction and his heartbreaking and failed attempts to live right.

OMG Moment: Ethan confronts Sawyer, Locke, Jack, and Charlie in the jungle. Charlie kills Ethan in cold blood before anyone can learn more about where Ethan came from and why he so desperately wanted Claire.

Questions and clues: Who was Ethan?