Gibbs has a rule for just about everything, and they aren't just words—they're lessons earned in the field. From never ...

Tony and Kate set McGee up with a prank he never sees coming after convincing him Gibbs' coffee was meant for him. When Gibbs realizes his coffee is missing, one unforgettable rule reminds everyone ...

Although Gibbs has a list of rules he lives by, he has been breaking the rules a lot recently. One rule he broke was Rule No. 3 (also known as “other rule No. 3”), “Never be unreachable.” Gibbs broke ...

Leroy Jethro Gibbs (Mark Harmon) lived by his rules on NCIS. For 19 seasons, Gibbs spouted his guidance to his team of special agents, giving them a handbook to live and work by. The lead character ...

CBS launched NCIS in 2003 and the series, created by Donald P. Bellisario, is preparing to air its 18th season this year. The award-winning show captures the action and drama that happens at the Naval ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Mark Harmon admitted he ...

If you’re going to be on Gibbs’ (Mark Harmon) team on NCIS, live by these. Rule #1: Never let suspects sit together. Other Rule #1: Never screw over your partner. Rule #2: Always wear gloves at a ...

Add Yahoo as a preferred source to see more of our stories on Google. Did NCIS: Origins' Gibbs create rule 12 because of his feelings for Lala? Austin Stowell thinks so. "There's a reason that people ...

Leroy Jethro Gibbs was practically a Boy Scout, so it makes sense that his "NCIS" portrayer Mark Harmon lives by the motto: Be prepared. Harmon, who played Gibbs on the CBS procedural for 19 seasons, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Mark Harmon's Leroy Jethro Gibbs may have left NCIS, but he continues ...