NCIS season 22 ended with a dissatisfying conclusion regarding Parker's biggest mystery, but NCIS season 23 could finally explain everything.

NCIS just announced the premiere date for its 23rd season. Here’s everything we know about the upcoming episodes.

Before NCIS turned into a cash cow for CBS, another series actually launched the beloved procedural franchise.

A joint Instagram post from CBS Studios and NCISverse — the NCIS universe includes NCIS, NCIS: Origins, and NCIS: Sydney — ...