
I'm from Asia,
I'm MYSTERIOUS, deal with it.
The Big Bang Theory Season 5, Episode 20

So, while I'm waiting for
this MYSTERIOUS perfect match
The Big Bang Theory Season 5, Episode 20

The mind's a MYSTERIOUS thing, Leonard.
The Big Bang Theory Season 6, Episode 8

Who's this MYSTERIOUS buddy
you suddenly have?
The Big Bang Theory Season 3, Episode 17

You're a suspect in
the MYSTERIOUS murder
The Big Bang Theory Season 7, Episode 18