With CBS announcing a new airtime, day of the week, and premiere date, here's everything to know about 'NCIS' Season 23.

NCIS has a busy schedule ahead, owing to the much-awaited Tony & Ziva spin-off, set to premiere on September 4, and Season 23, which has also been slated for an October 14 premiere.

The series, which was categorized by “cycles” rather than seasons, originated on UPN in 2003 before moving to The CW in 2006.