The tenth season of NCIS: Los Angeles was ordered on April 18, 2018, and premiered on September 30, The tenth season of NCIS: Los Angeles was ordered on April 18, 2018, and premiered on September 30, 2018 on CBS for the 2018–19 television season. The series will continue to air at Sunday at 9:00 p.m. (ET) and will contain 24 episodes详情