
♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 7, Episode 21

♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 5, Episode 20

# Math, Science, History,
unraveling the MYSTERY #
The Big Bang Theory Season 11, Episode 17

♪ Math, Science, History,
unveiling the MYSTERY ♪
The Big Bang Theory Season 7, Episode 11

♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 12, Episode 18