When Does The New Season Of Ncis Start 2024 Start. Season 21 premiered on feb. The new season will premiere on monday, october 14, from 8:00 to 9:00 pm et/pt but will move to its regular time slot of 9:00 to 10:00 pm et/pt, afterward, beginning monday,.

Origins, ncis season 22 is set to debut its first episode on monday, october 14, at 9pm. Well, we now know when ncis and new series ncis: