NCIS: Los Angeles season premiere sneak peeks released, includes details on where Hetty was, Joelle’s return
The NCIS: Los Angeles season premiere debuts on Sunday, October 10, but in advance, CBS has released several sneak peeks to give viewers a look at what’s to come. The first episode of the season is called Subject 17 and it hints at a callback to what Callen was looking for on last season’s finale.