On the POTTY? What are you, 5?
The Big Bang Theory Season 4, Episode 3
...to measure your brain waves
while POTTY training.
The Big Bang Theory Season 2, Episode 15
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
I didn't know they gave Nobel Prizes
for making boom-boom in the POTTY.
The Big Bang Theory Season 6, Episode 3