Who knew Gibbs could laugh?

Gibbs' Rule #36

Mark Harmon NCIS

gibbs

Gibbs rules

#ncis #nicktorres

Rule #40

#Gibbs rules

Gibbs Rules! NCIS

I <3 Gibbs & Tony

Welcome to "NCIS - Do You Know Gibbs' Rules?" Quiz! Answer all questions and let's check how well you know NCIS Gibbs' Rules!