
(SHELDON CLEARS THROAT)
The Big Bang Theory Season 6, Episode 1

(STUTTERS) I knew the answer,
I got excited. (CLEARS THROAT)
The Big Bang Theory Season 10, Episode 9

(CLEARS THROAT LOUDLY)
The Big Bang Theory Season 1, Episode 11

- Right.
- This is on you. (CLEARS THROAT)
The Big Bang Theory Season 10, Episode 12

(CLEARS THROAT)
The Big Bang Theory Season 2, Episode 12