
a new pair of UNDERWEAR,
just in case.
The Big Bang Theory Season 12, Episode 2

You're wearing modern UNDERWEAR?
The Big Bang Theory Season 2, Episode 2

because you're wearing
long UNDERWEAR?
The Big Bang Theory Season 5, Episode 23

I should probably put on
clean UNDERWEAR.
The Big Bang Theory Season 7, Episode 14

He got his feelings hurt,
then he put UNDERWEAR on his head--
The Big Bang Theory Season 10, Episode 12