
If I give the right command in German,
she'll rip your face off.
The Big Bang Theory Season 6, Episode 21

But I'm from the German school. Berlin's.
Money Heist Season 3, Episode 5

Now, in German.
The Big Bang Theory Season 10, Episode 20

and my bowel movements run
like a German train schedule.
The Big Bang Theory Season 5, Episode 10

You know,
the German philosopher,
The Big Bang Theory Season 5, Episode 7