
She doesn't have a CAT, she has a Mexican
hairless. Annoying little animal. Yip-yip-yip.
The Big Bang Theory Season 1, Episode 17

PENNY:
No, it wasn't my CAT.
The Big Bang Theory Season 2, Episode 2

...a Montgomery Ward delivery van
ran over our family CAT, Lucky.
The Big Bang Theory Season 2, Episode 4

...and if you disagree, I recommend
a CAT scan to look for a tumor...
The Big Bang Theory Season 1, Episode 10

All right, way to go, Cat Poster.
You hang in there.
The Big Bang Theory Season 9, Episode 12