The 3rd Choir is the fourth episode of NCIS: Los Angeles Season Six as well as the 124th episode of the entire series.
The team finds itself in danger as the mole remains inside of the agency. As Nate returns to help Nell deal with the aftermath of her first kill, the OSP center itself turns into a battle ground when an enemy from the team's past arrives to kill Hetty.
|NCIS: LA Season Six|
|Deep Trouble, Part 2 ● Inelegant Heart ● Praesidium ● The 3rd Choir ● Black Budget ● SEAL Hunter ● Leipei ● The Grey Man ● Traitor ● Reign Fall ● Humbug ● Spiral ● In The Line of Duty ● Black Wind ● Forest For The Trees ● Expiration Date ● Savoir Faire ● Fighting Shadows ● Blaze of Glory ● Rage ● Beacon ● Field of Fire ● Kolcheck, A. ● Chernoff, K.|