Sebastian Siegel

Ted and Barney go out to the clubs with Robin, as Lily and Marshall go to an adult wine and cheese party.

Kate and Jack are at odds; Locke solidifies his position as leader of the Others; Juliet and Sawyer are scrutinized.

Kate takes drastic measures to save Ben's life when Jack refuses to help.

Catherine informs Five-0 that McGarrett's mother has been captured and is in danger of being executed for trying to free Wo Fat's imprisoned father; Chin is unable to delay Sara's adoption.

Dr. Jack Hodgins ("Bones") asks Walter to help find evidence of extraterrestrial activity; Timo and Willa try to deal with their relationship.