Origins' Season 3 Story Arc

Key Points:

• Mark Harmon will reprise his role as Leroy Jethro Gibbs in a season-long arc on the upcoming third season of "NCIS: Origins," appearing in every episode tied to a present-day mystery connected to his 1990s Camp Pendleton days.
• Harmon currently narrates "NCIS: Origins" as Gibbs and serves as an executive producer; he previously appeared in the prequel's pilot and a special crossover episode but has not regularly played Gibbs since leaving "NCIS" in 2021 after 18 seasons.
• "NCIS: Origins" Season 3 will air on CBS this fall, alongside other franchise entries including "NCIS: Sydney" and the upcoming "NCIS: New York," starring LL Cool J and Scott Caan.
• The prequel stars Austin Stowell as a young Gibbs during his early military days, with a supporting cast including Kyle Schmid and Mariel Molino; Mark Harmon and his son Sean are among the executive producers, with CBS Studios producing.