A promo for Tuesday, March 2's all-new episode of NCIS: Los Angeles, "Chinatown." Looks like trouble on the horizon for Callen, Sam & Co.

An NCIS agent is shot during a hostage situation at a bank on the next episode of NCIS: Los Angeles. This is a big case for the team.

This episode of NCIS: Los Angeles features a familiar face. Abby travels across the country to help the team catch a serial killer.

The team comes across a set of stolen missiles on this episode. Check out a promo for it now.

Something big goes down on the NCIS: Los Angeles episode "Pushback." Callen learns the identity of the person that had him targeted.

This is the official promo for the NCIS: Los Angeles episode "Crash." It airs on October 20, 2009.

This is a clip from the series premiere of NCIS: Los Angeles. In it, we get to know G. Callen and Sam Hanna a bit more.