John defends Cameron against a damning accusation by Derek, putting him and Derek at odds, while Sarah finds herself in a business transaction with a mysterious business man. Meanwhile, Cromartie closes in on John and Agent Ellison discovers a nemesis at the agency on the "Vick's Chip/What He Beheld." Guest Cast: Garret Dillahunt as Laszlo/Cromartie; Dean Winters as Charlie; Matt McColm as Vick; Kristina Apgar as Cheri Westin; Jose Luis Chavez as Morris; Brian Austin Green as Derek Reese; Andre Royo as Sumner; Jonathan Sadowski as Sayles; Edoardo Ballerini as Timms; Karina Logue as Barbara; Diana Maria Riva as Dr. Carmen Cabrera; Allen Evangelista as Doug; Tony Ramond Wilde as Eric Carlson; Bruno Amato as Gym Coach; Joshua Wold Coleman as Clerk; Aki Kotabe as Kendo; Brian D. Jones as EMT; Ismail Bashley as ER Doctor; Claudia Choi as Nurse; and Derek Basco as Worker at Hospital; Catherine Dent as Agent Greta Simpson; Keith Pillow as Mr. Bianchi; James Urbaniak as Caf Manager; Craig Faribass as Sarkissian; Jesse Garcia as Carlos; Sabrina Perez as Chola; Bailee Madison as Little Girl; Mark Bloom as FBI Evidence Clerk; and Ramona Duberry as Karen.8 p.m. Monday. Fox.