♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 7, Episode 3
Well, okay, one MYSTERY solved.
The Big Bang Theory Season 6, Episode 8
# Math, Science, History,
unraveling the MYSTERY #
The Big Bang Theory Season 11, Episode 14
♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 5, Episode 17
But whoever
that MYSTERY man was,
The Big Bang Theory Season 5, Episode 15