
...with your mother.
- I am. She's bleaching her MUSTACHE.
The Big Bang Theory Season 4, Episode 19

Just FYI, don't try to go back
with a fake MUSTACHE.
The Big Bang Theory Season 4, Episode 5

She's got a
bigger MUSTACHE than me.
The Big Bang Theory Season 5, Episode 24

that have my face with
a MUSTACHE and a Spanish name
The Big Bang Theory Season 7, Episode 17

I can't believe
I bleached my MUSTACHE for this.
The Big Bang Theory Season 6, Episode 1