Origins introduces a brand new character in Lala Dominguez, but while she never appeared in the main NCIS series, the prequel reveals that she has a lasting impact on it. Mark Harmon has successfully returned to the CBS hit procedural franchise,

Origins two-part premiere “Enter Sandman” are ahead! NCIS: Origins has finally premiered on the 2024 TV schedule, mean the time has finally come to explore Leroy Jethro Gibbs’ life in 1991, just a few months after his first wife and daughter were murdered.

NCIS: Origins is telling a story about Leroy Jethro Gibbs ( Austin Stowell in 1991, Mark Harmon narrating and briefly appearing in the premiere) that fans are completely in the dark about—and we start getting teases about that in the two-part opener.