(SPEAKING IN MANDARIN)
The Big Bang Theory Season 1, Episode 17
(SINGING IN MANDARIN)
The Big Bang Theory Season 10, Episode 20
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The Big Bang Theory Season 1, Episode 17
(SHELDON SPEAKING IN MANDARIN)
The Big Bang Theory Season 1, Episode 17
(SPEAKING IN MANDARIN)
The Big Bang Theory Season 1, Episode 17