The American Midwest was mostly settled
by Scandinavian and Germanic peoples...
The Big Bang Theory Season 2, Episode 3
...and the American spirit?
The Big Bang Theory Season 2, Episode 18
I mean, who even reads
Scientific American?
The Big Bang Theory Season 8, Episode 18
I've heard about him.
He's an American hero.
Breaking Bad Season 3, Episode 11
American woman
The Big Bang Theory Season 3, Episode 12