5 Moments From "Expiration Date" - NCIS: Los Angeles S6 E16

When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter.

1. "Expiration Date" - NCIS: Los Angeles S6 E16

Pictured: Ernie Reyes Jr. (Jemadar Thapa) and Eric Christian Olsen (LAPD Liaison Marty Deeks). When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter. Also, Kensi and Deeks have their first official argument, on NCIS: LOS ANGELES, Monday, Feb. 23 (9:59-11:00 PM, ET/PT) on the CBS Television Network. Ernie Reyes, Jr. returns as Thapa and Parminder Nagra guest stars as the spy. Photo: Sonja Flemming/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.

2. "Expiration Date" - NCIS: Los Angeles S6 E16

Pictured: Daniela Ruah (Special Agent Kensi Blye), Eric Christian Olsen (LAPD Liaison Marty Deeks) and Ernie Reyes Jr. (Jemadar Thapa). When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter. Also, Kensi and Deeks have their first official argument, on NCIS: LOS ANGELES, Monday, Feb. 23 (9:59-11:00 PM, ET/PT) on the CBS Television Network. Ernie Reyes, Jr. returns as Thapa and Parminder Nagra guest stars as the spy. Photo: Sonja Flemming/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.

3. "Expiration Date" - NCIS: Los Angeles S6 E16

Pictured: Ernie Reyes Jr. (Jemadar Thapa), Eric Christian Olsen (LAPD Liaison Marty Deeks) and Daniela Ruah (Special Agent Kensi Blye). When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter. Also, Kensi and Deeks have their first official argument, on NCIS: LOS ANGELES, Monday, Feb. 23 (9:59-11:00 PM, ET/PT) on the CBS Television Network. Ernie Reyes, Jr. returns as Thapa and Parminder Nagra guest stars as the spy. Photo: Sonja Flemming/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.

4. "Expiration Date" - NCIS: Los Angeles S6 E16

Pictured: Ernie Reyes Jr. (Jemadar Thapa). When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter. Also, Kensi and Deeks have their first official argument, on NCIS: LOS ANGELES, Monday, Feb. 23 (9:59-11:00 PM, ET/PT) on the CBS Television Network. Ernie Reyes, Jr. returns as Thapa and Parminder Nagra guest stars as the spy. Photo: Sonja Flemming/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.

5. "Expiration Date" - NCIS: Los Angeles S6 E16

Pictured: Eric Christian Olsen (LAPD Liaison Marty Deeks). When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter. Also, Kensi and Deeks have their first official argument, on NCIS: LOS ANGELES, Monday, Feb. 23 (9:59-11:00 PM, ET/PT) on the CBS Television Network. Ernie Reyes, Jr. returns as Thapa and Parminder Nagra guest stars as the spy. Photo: Sonja Flemming/CBS ©2015 CBS Broadcasting, Inc. All Rights Reserved.