It's titled, "Deep Trouble" and airs Tuesday, May 13, 2014 on CBS.
1.
Sam, Callen, Deeks and Kensi
Sam, Callen, Deeks and Kensi walk down the stairs in a line.
2.
Nell Approaches Sam and Callen
Nell approaches Sam and Callen with information about the investigation.
3.
Nell Shares Intel with Sam and Callen
Nell updates Sam and Callen with intel about the case.
4.
Sam and Callen Get Out of Car
Sam and Callen are on location on the NCIS: LA season 5 finale.
5.
Sam and Callen
Sam and Callen on the dock during the Season 5 finale, "Deep Trouble."
6.
Sam and Callen Find a Submarine
Sam and Callen find a submarine being used to transport drugs.
7.
Callen Looks Inside Sub
Callen looks inside the sub, while Sam covers him.