Plus, what almost didn't make the cut?

The prequel follows Gibbs' early days at NIS.

There will be a major change going forward with the CBS drama.

The Season 23 finale airs May 12.

Series stars LL COOL J and Scott Caan.

Plus, why Katrina Law wants to cross paths with Scott Caan on the new 'New York' spinoff.

Plus, trouble's coming for NIS.

Plus, does Gary still have a future at NIS after being stabbed on the job?

Rocky Carroll's character was tragically killed off in the the milestone 500th episode.

Showrunners Gina Lucita Monreal and David J. North also break down key moments from the young Pride episode.