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