NCIS: Los Angeles

Season 4, Episode 5

Episode Title: Out of the Past (1)

Air Date: 2012-10-30

Overview:

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.