
If there's no COSTUME parade,
what are we doing here?
The Big Bang Theory Season 1, Episode 6

When she wants to have sex, she puts on
her plus-size Wonder Woman COSTUME...
The Big Bang Theory Season 4, Episode 5

this is
a sexy French maid COSTUME
The Big Bang Theory Season 5, Episode 21

Yeah, so the judges can give out
the prizes for best COSTUME.
The Big Bang Theory Season 1, Episode 6

and left an elf COSTUME
in my locker.
The Big Bang Theory Season 5, Episode 11