Why must you
peek behind the CURTAIN?
The Big Bang Theory Season 5, Episode 12
that CURTAIN of fame
and celebrity,
The Big Bang Theory Season 7, Episode 7
It's getting kind of
close to the CURTAIN.
The Big Bang Theory Season 12, Episode 10
Picture this.
The CURTAIN opens.
The Big Bang Theory Season 11, Episode 13
Yeah, but what happens when we
each get a peek behind the CURTAIN?
The Big Bang Theory Season 10, Episode 4