
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 19

♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 15

♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 16

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

# Math, Science, History,
unraveling the mystery #
The Big Bang Theory Season 11, Episode 12