
...I thought it might be fun for us
to go in a couples' COSTUME.
The Big Bang Theory Season 6, Episode 5

What happens in COSTUME at Comic-Con
stays at Comic-Con.
The Big Bang Theory Season 2, Episode 2

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

So, did you see
Howard's COSTUME?
The Big Bang Theory Season 12, Episode 6

...except everybody's wearing
the same COSTUME: Indian Guy.
The Big Bang Theory Season 4, Episode 7