
I've done
a hemorrhoid COMMERCIAL
The Big Bang Theory Season 5, Episode 13

And that's how you get
a toothpaste COMMERCIAL. Cheers.
The Big Bang Theory Season 6, Episode 24

And you were so good
in the TV COMMERCIAL.
The Big Bang Theory Season 7, Episode 23

...I'm gonna get
a national COMMERCIAL.
The Big Bang Theory Season 3, Episode 12

it's like a beer COMMERCIAL.
The Big Bang Theory Season 9, Episode 19