On NCIS: Los Angeles Season 6 Episode 20, when a white supremacy group is suspected of having nuclear material, Callen and Sam go undercover as a guard and prisoner.

Discover the cast and crew of NCIS: Los Angeles: Season 6, Episode 22 on Rotten Tomatoes. See actors, directors, and more behind the scenes. Explore now!

On NCIS: Los Angeles season 6 episode 6, Sam is arrested for murder and Callen and Granger try to prove his innocence while Kensi and Deeks find a link between Sam and the victim.