Have those passports ready because the NCIS franchise is embarking on a European adventure.

WARNING: This article contains spoilers from NCIS.NCIS' Michael Weatherly has revealed a 20-year-old Easter Egg that hinted ...

After almost 20 seasons, Leroy Jethro Gibbs left NCIS. Mark Harmon may have left the show, but this isn't the end for Gibbs.