NCIS: Los Angeles Season 1 Episode 23 (NCIS: Los Angeles s01e23) with title “Burned” airs on Tuesday, May 18th 2010 at 09:00 pm via CBS.
Here is summary for NCIS: Los Angeles Season 1 Episode 23 :

The NCIS team races to find out who is behind the security breach after Callen’s cover is blown and compromises the unit.

Few hours after original series aired on TV, online streaming video for NCIS: Los Angeles Season 1 Episode 23 usually available on Net and of course, if video available, as soon as possible will show you where you can watch this episode for free.