https://screenrant.com/ncis-mark-harmon-gibbs-return-episode-ima/

Mark Harmon has confirmed his return to NCIS franchise for an upcoming important Leroy Jethro Gibbs-centric episode with a story that spans decades.

Mark Harmon’s NCIS Comeback as Gibbs Has 1 Unfortunate Catch (https://www.cbr.com/mark-harmon-leroy-gibbs-ncis-return-catch/)

There's just one catch to the news that Mark Harmon will finally reprise his iconic Leroy Jethro Gibbs character for a decade-spanning NCIS mystery.

Mark Harmon Is Unrecognizable As Gibbs In NCIS & Origins Crossover Trailer (https://screenrant.com/ncis-origins-2025-crossover-trailer/)

CBS releases the trailer for the first-ever NCIS and NCIS: Origins crossover with the first look at Mark Harmon's return as Leroy Jethro Gibbs.

Mark Harmon Addresses Potentially Coming Back Full-Time As Gibbs In NCIS (https://screenrant.com/mark-harmon-addresses-gibbs-coming-back-full-time-ncis/)

Ahead of his much-anticipated guesting stint in the NCIS and NCIS: Origins crossover, Mark Harmon reveals how he might return full-time as Gibbs.

NCIS & NCIS: Origins Crossover - Harmon's Nostalgia-Laced Return Is Good (But Could Have Been Better) (https://screenrant.com/ncis-season-23-origins-season-2-crossover-review/)

CBS puts a spin on NCIS' traditional special TV events with a compelling narrative that puts Gibbs back at the center of the franchise.