Mustache is looking good
there, Sheldon.
The Big Bang Theory Season 5, Episode 4
I can't believe
I bleached my MUSTACHE for this.
The Big Bang Theory Season 6, Episode 1
Just FYI, don't try to go back
with a fake MUSTACHE.
The Big Bang Theory Season 4, Episode 5
Really? Are you willing to draw
a MUSTACHE on your finger
The Big Bang Theory Season 5, Episode 3
She's got a
bigger MUSTACHE than me.
The Big Bang Theory Season 5, Episode 24