
And I have FLAG knowledge
The Big Bang Theory Season 5, Episode 14

How did the inspector
not FLAG this
The Big Bang Theory Season 12, Episode 14

I have a FLAG question.
The Big Bang Theory Season 9, Episode 15

Than to fly a pennant
FLAG or banner
The Big Bang Theory Season 10, Episode 7

Why are you waving
a white FLAG?
The Big Bang Theory Season 5, Episode 14