♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 7
# Math, Science, History,
unraveling the mystery #
The Big Bang Theory Season 11, Episode 8
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 11
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 6
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 10