♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 16
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 4
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 13
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 10
# Math, Science, History,
unraveling the mystery #
The Big Bang Theory Season 11, Episode 12