Roadside bombs. Captured Marines. Just another day in L.A.

When video surveillance footage shows an ambush on a humvee transporting U.S. Marines in the desert, Sam, G and Kensi jump into action on next Tuesday's all-new episode.

If you missed last night or want to share your thoughts on the action, follow this link for our review of the NCIS: LA season premiere. Now, here's a promo for next week:

[video url="http://www.tvfanatic.com/videos/borderline-promo/" title="Borderline Promo"] [/video]

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