The NCIS franchise is one of CBS's most successful properties. The flagship series has been running for 20 seasons, while the spinoff NCIS: Hawai'i has been renewed for a third season. But then there's NCIS: New Orleans, which ended in 2021 -- much to the dismay of fans, who still talk about the spinoff, featuring Lucas Black as Christopher LaSalle.
Source：https://www.cbr.com/ncis-new-orleans-why-lucas-black-left/
