
Well, AHEM, in actuality,
what your equipment detected...
The Big Bang Theory Season 3, Episode 1

Okay, look. Ahem.
The Big Bang Theory Season 1, Episode 3

Ahem. And being off all of them
for the past few days, I have to say
Breaking Bad Season 2, Episode 3

...back in his favor. Ahem.
"Howard Joel Wolowitz.
The Big Bang Theory Season 4, Episode 7

- Raj, you're up.
- Okay, um, AHEM.
The Big Bang Theory Season 6, Episode 19