Executive producer Steven D. Binder notes the position was originally not a 'regular fixture.'

Plus, the star teases the Season 23 finale.

Yael Grobglas guest stars.

Plus, the team's not forgetting Vance even as they're moving on.

Plus, how the team will be doing moving forward.

Plus, Vance clues Parker in on what he's been dealing with all season.

CBS drama reaches the major milestone on March 24.

The 500th episode is nearing.

Bishop and Torres once again said goodbye, but this time she asked him to come with her.

Plus, what Bishop's been up to, and what to expect from McGee's reaction to her being back.