NCIS is gearing up to celebrate a special milestone with its April 15 episode, as the franchise reaches 1,000 total episodes. But how does it all break down? Below, we reveal how each of the current and past spinoffs contributed to the flagship show's upcoming installment.
Mark Harmon REVEALS why he had to leave NCIS..
NCIS Episode 1,000: Monday, April 15, 9/8 p.m., CBS
Air Dates: September 23, 2003–present
The Brief: “What makes NCIS so damn special?” That’s the question director Leon Vance (Rocky Carroll) is angrily asked by his estranged son, Jared (Spence D. Moore II), in the 1,000th episode of the NCIS franchise. NCIS, which launched in 2003, has four spinoffs and two highly anticipated shows on the way: NCIS: Origins and a Michael Weatherly-Cote de Pablo project dubbed NCIS: Europe.