Episode 15: Cabin Fever -

John Locke, Ben, and Hurley search for the mysterious "Jacob's cabin" to find answers about the Island's future.

While "Cabin Fever" is actually Episode 11 of Season 4, it is one of the most analyzed episodes in the series due to its deep mythology. Episode 15: Cabin Fever

Gibbs chooses to step away from the primary investigation to support a grieving Tobias Fornell, whose life is spiraling following his wife's murder. John Locke, Ben, and Hurley search for the

It introduces the idea that the Island must be "moved" and highlights the supernatural protection surrounding certain characters who "can't die" because their mission isn't over. Episode 15: Cabin Fever