
...in this brief PowerPoint presentation.
Ahem. Lights.
The Big Bang Theory Season 3, Episode 15

Ahem, excuse me, I have to go
to the little girls' room...
The Big Bang Theory Season 4, Episode 5

All right, that's enough. Ahem.
The Big Bang Theory Season 6, Episode 4

Honest to God. Ahem.
Leonard, tell her I have a girlfriend.
The Big Bang Theory Season 3, Episode 11

- We're not living together.
- I beg to disagree. Ahem.
The Big Bang Theory Season 2, Episode 10