Highlights from the Eighteenth Episode of Season 10 of NCIS

A Marine skilled in K-9 bomb detection is killed on duty in Afghanistan and his wife begs NCIS to conduct investigation.

Lab Work in "Seek" Episode 18 of Season 10

The wife of a Marine who specialized in K-9 bomb detection urges the NCIS team to investigate the recent death of her husband in Afghanistan, on NCIS, Tuesday, March 19 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Cote de Pablo (left) and Pauley Perrette Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

Onlookers in "Seek" Episode 18 of Season 10

The wife of a Marine who specialized in K-9 bomb detection urges the NCIS team to investigate the recent death of her husband in Afghanistan, on NCIS, Tuesday, March 19 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Pictured: Michael Weatherly and Cote de Pablo Photo: Sonja Flemming/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.

Behind the Scenes in "Seek" Episode 18 of Season 10

The wife of a Marine who specialized in K-9 bomb detection urges the NCIS team to investigate the recent death of her husband in Afghanistan, on NCIS, Tuesday, March 19 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Series star Michael Weatherly (left) directed the episode. Also Pictured: Mark Harmon (right) and Sean Murray (center) Photo: Monty Brinton/CBS ©2013 CBS Broadcasting, Inc. All Rights Reserved.