
Penny is wearing the worst
Catwoman COSTUME I've ever seen.
The Big Bang Theory Season 1, Episode 6

She may have heard about
my cool Dumbledore COSTUME.
The Big Bang Theory Season 10, Episode 17

Now, her COSTUME
was obviously Germanic...
The Big Bang Theory Season 2, Episode 2

See, this is why I wanted
to have a COSTUME meeting.
The Big Bang Theory Season 1, Episode 6

So, what time
does the COSTUME parade start?
The Big Bang Theory Season 1, Episode 6