When you wathc NCIS Season 14 Episode 13 online, Gibbs is enjoying his morning breakfast at his favorite diner when he happens to spot a familiar face out the window. Without a word to anyone, he takes off immediately and meets up with the man, who is revealed to have been related to an undercover case Gibbs worked some fifteen years previously. It isn't long before the team gets worried when Gibbs doesn't show up for work, especially since he was supposed to be teaching an early class, and they soon begin investigating where he got off to. They soon realize that he has gone back undercover on the spot in order to get close to a man linked to a violent militia movement that was responsible for the theft of some nuclear material intended to build a dirty bomb, and the man that Gibbs spotted outside the diner window was this man's brother. But can the team help Gibbs without blowing his cover? And will the brother suspect that the old friend he hasn't seen in fifteen years might actually be a federal agent out to get him? Find out what happens when youw atch NCIS Season 14 Episode 13 online!