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

Harmon, 74, will make a rare guest appearance on "Origins" as Gibbs, the character he played for 18 "NCIS" seasons, during ...

Mark Harmon is set to return to the NCIS universe in a special crossover event uniting NCIS and NCIS: Origins. The upcoming ...

Mark Harmon will appear as Gibbs ("and he's no longer alone!") in the Nov. 11 episode of "NCIS: Origins," part of a crossover ...

The original Leroy Jethro Gibbs is about to make a comeback. Mark Harmon is set to reprise the role he played for 18 seasons ...

"NCIS: Origins" will catch up with present-day Leroy Jethro Gibbs as part of its big crossover with the flagship series in ...

Mark Harmon is set to return to the NCIS universe in a special crossover event uniting NCIS and NCIS: Origins. The upcoming ...

Good news for NCIS fans! Mark Harmon will reprise his iconic Leroy Jethro Gibbs role in the flagship series. His return will ...

NCIS alum Mark Harmon is set to return to the long-running CBS series for a special crossover event between the procedural ...

"NCIS" legend Mark Harmon is to guest star as his character, Leroy Jethro Gibbs, on the prequel, "NCIS: Origins," next month.

The statement continued, “Well, on Nov. 11, we’re so excited to announce that Mark Harmon will return as Leroy Jethro Gibbs ...

The crossover event begins on Origins will Gibbs ( Austin Stowell) and the NIS team investigating the small-town death of a ...