When does NCIS return?

NCIS is the third-longest-running scripted, live-action U.S. prime-time TV series currently airing. The series is the first installment within the NCIS media franchise. It has entered into the 21st full season and has gone into broadcast syndication on the USA Network. In 2011, NCIS was voted "America's favorite television show" in an online poll.
NCIS is the main federal law enforcement agency of the U.S. Department of the Navy. It is based at the Washington Navy Yard in Washington, D.C., where it was led by Leroy Jethro Gibbs. Alden Parker now leads the team, following his appointment early in season 19.