by the number of colors
in the oldest national FLAG still in use--
The Big Bang Theory Season 9, Episode 8
Let's start by identifying
the parts of our FLAG.
The Big Bang Theory Season 5, Episode 14
had a purple stripe on their
FLAG from 1721 to 1917.
The Big Bang Theory Season 12, Episode 13
do you know what country has not
one but two cows on its FLAG?
The Big Bang Theory Season 5, Episode 14
I have a FLAG question.
The Big Bang Theory Season 9, Episode 15