Terrorists. Snipers. Mafia. Serial killers. The Los Angeles-based NCIS agents of the Office of Special Projects fear nothing. Well, with the exception of the occasional snake.

When surveillance footage shows an ambush on a humvee transporting Marines in the desert, Kensi, Deeks and company spring into action in Tuesday night's "Borderline."

That is, unless the surroundings are just too difficult for the team's newest member. Hey, we all have our issues, right? Check out this sneak preview of the episode below:

[video url="http://www.tvfanatic.com/videos/borderline-sneak-preview/" title="Borderline Sneak Preview"] [/video]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.