Mark Harmon’s Gibbs Returns as ‘NCIS’ and ‘NCIS: Origins’ Collide for a Decades-Spanning Mystery in Crossover Trailer [Exclusive]

Watch the extended promo for the first crossover event between NCIS and NCIS: Origins, featuring Mark Harmon's return as ...

Is NCIS' Mark Harmon Revisiting Gibbs' Past With Lala In NCIS: Origins Crossover? Watch Exclusive First Look

TVLine is bringing you an exclusive first look of NCIS star Mark Harmon's appearance as Gibbs in Tuesday's NCIS: Origins ...
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NCIS Was Originally Built On A Different Premise, According To Mark Harmon

Mark Harmon exited "NCIS" after 19 seasons in 2021, but he arguably remains the face of CBS' long-running, naval-themed procedural saga. After all, he joined the franchise in the days of "JAG," and ...