
...deny access to the shared BATHROOM
in a time of emergency...
The Big Bang Theory Season 4, Episode 21

This is the Imodium I took so I would
never have to use the train BATHROOM.
The Big Bang Theory Season 8, Episode 1

and following a celebrity into a BATHROOM.
The Big Bang Theory Season 10, Episode 16

Forget to rinse the sink?
Talk to him through the BATHROOM door?
The Big Bang Theory Season 2, Episode 1

Bathroom, cool tile.
Breaking Bad Season 2, Episode 5