Introduction

The fourth season of the American television series NCIS: Los Angeles premiered on CBS on 25 September 2012 and concluded on 14 May 2013.
Outline
The NCIS Los Angeles team delves deep into Hetty’s past when they discover that a case for a missing person is actually an undercover agent recruited into NCIS many years ago who was investigating stolen equipment used to develop nuclear weaponry.
NCIS Los Angeles Series 04
You can find a full index of NCIS Los Angeles Series 04 here.
You can find a full index and overview of the NCIS Franchise here.
Production & Filming Details
- Director(s): Robert Florio.
- Writer(s): R. Scott Gemmill.
- Release Date: 30 April 2013.
- Running Time: 39-44 minutes.
- Country: US.
- Language: English.