
- Ahem.
- Almost everyone has a past.
The Big Bang Theory Season 8, Episode 4

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

Excuse me. Ahem. Dr. Greene, question?
The Big Bang Theory Season 4, Episode 20

I'd hate to miss that. Ahem.
The Big Bang Theory Season 6, Episode 19

Okay. I'm just gonna tie my shoe
while you think about that. Ahem.
The Big Bang Theory Season 6, Episode 20