...and I could smell German chocolate cake,
which is my favorite.
The Big Bang Theory Season 1, Episode 16
If I give the right command in German,
she'll rip your face off.
The Big Bang Theory Season 6, Episode 21
No, I don't know German.
The Big Bang Theory Season 2, Episode 3
Now, in German.
The Big Bang Theory Season 10, Episode 20
Like reenacting the ancient German practice
of trial by combat.
The Big Bang Theory Season 8, Episode 19