CBS is set to launch 'NCIS: Origins', a prequel series focusing on the backstory of Leroy Jethro Gibbs, portrayed by Austin Stowell. The series will explore Gibbs' early career as a special agent in 1991, showcasing pivotal moments from his tragic past, including the murder of his wife and daughter. Mark Harmon, who famously played Gibbs for 19 seasons, serves as the narrator for the series, adding depth to the character's journey. The trailer highlights Gibbs' struggles with his demons while forming connections with his new team at the NIS Camp Pendleton office. This series aims to maintain the traditional police procedural format familiar to NCIS fans while providing a fresh perspective on Gibbs' origin story. 'NCIS: Origins' will premiere on CBS on October 14, 2024, marking a new chapter in the beloved franchise.