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
What do you do in the POTTY,
wee-wee?
The Big Bang Theory Season 4, Episode 3
...to measure your brain waves
while POTTY training.
The Big Bang Theory Season 2, Episode 15
- It's a POTTY. What do you call it?
- Toilet.
The Big Bang Theory Season 4, Episode 3