Brie Larvan breaks out of jail and turns up at Palmer Tech threatening to kill everyone unless she gets the bio-chip that is implanted in Felicity’s spine. When Oliver realizes that Felicity, Thea and Donna are trapped in Palmer Tech with everyone else, he looks to a surprising ally to help Team Arrow save the day.

When former team member Prentiss tracks an international serial killer, she enlists the help of the BAU when she believes the UnSub's next victim will be on American soil.

After losing the company he built, Lucious announces he will stop at nothing to regain his power, but Cookie has her own way of handling things. Meanwhile, Rhonda, Andre and the rest of the Lyon family come to terms with a horrific, life-changing tragedy that changes their lives as they know it.

Artists create an indigenous species that would live on King Kong's Skull Island.

Detective Carisi lives undercover at a homeless shelter to determine if one of its sex offender residents is the suspect in a string of neighborhood rapes.

Luke starts questioning his decision to bring Riff Bell on tour; Deacon and Frankie butt heads over Vita; Frankie makes a destructive decision.

Sam and Dean battle a pair of werewolves who have captured two victims. Just as the brothers are about to win, one of the werewolves shoots Sam. Dean gets his brother and the victims out of the house but learns a pack of werewolves are hot on their tail, hoping to kill them all.

Paige copes with new burdens that come with her family’s secret – as Philip and Elizabeth struggle to contain their cover without destroying their daughter.

James Spader; Colin Hanks. Also: Bibi Bourelly performs..