If there's no COSTUME parade,
what are we doing here?
The Big Bang Theory Season 1, Episode 6
Sheldon, when I said couples' COSTUME,
I meant, like, Romeo and Juliet...
The Big Bang Theory Season 6, Episode 5
in the top half of
a Chewbacca COSTUME.
The Big Bang Theory Season 5, Episode 7
Given the reaction to my COSTUME...
The Big Bang Theory Season 1, Episode 6
Howard thought it'd be funny
to tell me it was a COSTUME party.
The Big Bang Theory Season 9, Episode 21