
Ever since I saw Pretty in Pink,
I've wanted to go to an American prom.
The Big Bang Theory Season 8, Episode 8

Then expressed my gratitude
that Scientific American...
The Big Bang Theory Season 8, Episode 18

Now, hold on.
If she is dating an American...
The Big Bang Theory Season 4, Episode 20

Like every American Idol winner
since season four.
The Big Bang Theory Season 9, Episode 24