(SPEAKING IN MANDARIN)
The Big Bang Theory Season 1, Episode 17
(SINGING IN MANDARIN)
The Big Bang Theory Season 10, Episode 20
- I'm glad you decided to learn Mandarin.
- Why?
The Big Bang Theory Season 1, Episode 17
Now Mandarin.
The Big Bang Theory Season 10, Episode 20
(SHELDON SPEAKING IN MANDARIN)
The Big Bang Theory Season 1, Episode 17