Sean Murray's Agent McGee was only supposed to be in one episode of NCIS, but a last-minute invite back changed everything.

CBS drama reaches the major milestone on March 24.

Add Yahoo as a preferred source to see more of our stories on Google. NCIS Spoilers Cast Returning Sean Murray Interview McGee - Courtesy of CBS Warning: This post contains spoilers for Tuesday's ...

As the CBS procedural airs its 500th episode, look back at some of the biggest names to appear on the show—from future ...

Plus, what does Stowell have to say about Gibbs getting head-slapped?

NCIS: Origins' Austin Stowell talked about whether or not he looked back at Mark Harmon and Scott Bakula footage for Gibbs ...

NCIS Season 23 Episode 12, titled, In Too Deep delves into a complex case involving the mysterious death of a Naval Chief ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. "Mark's always been part of the show, Mark's always going to be part of the show," ...

Warning: This post contains spoilers for Tuesday's "NCIS" fall finale. It's December... and an "NCIS" fan favorite is coming home for the holidays. At the end of Tuesday's fall finale, Vance called ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. Harmon brought Gibbs to life for nearly two decades. The character first appeared on ...