S6, E20: Callen and Sam resume their undercover identities as a prisoner and guard to infiltrate a white supremacist group believed to be in possession of stolen nuclear material.

Starring Alicia Coppola, Patrick Kilpatrick, Rodney Eastman
S6, E20: Callen and Sam resume their undercover identities as a prisoner and guard to infiltrate a white supremacist group believed to be in possession of stolen nuclear material.