to replace the toilet PAPER
when it's empty?!
The Big Bang Theory Season 7, Episode 12
I just finished reading your PAPER...
The Big Bang Theory Season 2, Episode 6
Did you think to mention to me
that you liked our PAPER?
The Big Bang Theory Season 8, Episode 23
...with a PAPER cut on my nipple...
The Big Bang Theory Season 3, Episode 4
Sheldon thinks the approach
in his PAPER might change the way...
The Big Bang Theory Season 6, Episode 3