
He takes the kitty to the POTTY?
The Big Bang Theory Season 4, Episode 3

- It's a POTTY. What do you call it?
- Toilet.
The Big Bang Theory Season 4, Episode 3

Oh, and POTTY is okay?
The Big Bang Theory Season 4, Episode 3

There-There's chapters
about POTTY training,
The Big Bang Theory Season 7, Episode 4

On the POTTY? What are you, 5?
The Big Bang Theory Season 4, Episode 3