NCIS: Los Angeles - Season 4 - Eps 5: Out of the Past (1)
When a CIA agent who worked with Sam Hanna over eight years ago seeks his help and is soon found dead of an apparent suicide, Hanna and Callen suspect foul play and a bigger conspiracy. Meanwhile, Deeks finds his inner “dog whisperer” with Kensi as the two go undercover and enter a dog show with a prized poodle.
About NCIS: Los Angeles

Title: NCIS: Los Angeles
First Air Date: 2009-09-22
Last Air Date: 2023-05-21
Status: Ended
Rating: 7.536/10 (from 1178 votes)
Language: EN
Seasons: 15
Total Episodes: 323
Network: CBS
Genres: Action & Adventure, Drama, Crime, Mystery
Production Companies: Shane Brennan Productions, Belisarius Productions, CBS Studios
Synopsis
The exploits of the Los Angeles–based Office of Special Projects (OSP), an elite division of the Naval Criminal Investigative Service that specializes in undercover assignments.
Cast

Chris O'Donnell
G. Callen

Daniela Ruah
Kensi Blye

Eric Christian Olsen
Marty Deeks

Medalion Rahimi
Fatima Namazi

Caleb Castille
Devin Rountree

Gerald McRaney
Hollace Kilbride

LL Cool J
Sam Hanna