
I suppose if someone could teach
sign LANGUAGE to Koko the gorilla...
The Big Bang Theory Season 3, Episode 10

(MAN SINGING
IN FOREIGN LANGUAGE)
Vikings Season 1, Episode 2

this next part may contain
some adult LANGUAGE.
The Big Bang Theory Season 10, Episode 11

(SPEAKS IN FOREIGN LANGUAGE)
The Big Bang Theory Season 1, Episode 1

I could deduce by his facial expression
and body LANGUAGE that he was sad.
The Big Bang Theory Season 10, Episode 16