NCIS
Tuesdays 8/7c
Great Moments In NCIS History: Celebrate These Huge Milestones!
McGee makes his first appearance
McGee joined the team in "Sub Rosa" as a probationary agent with a knack for computers.
Watch "Sub Rosa" (Episode 7, Season 1 of NCIS) on CBS All Access.
By viewing our video content you are accepting the terms of our Video Services Policy. © 2018 CBS Interactive. All rights reserved.