♪ 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 11, Episode 9
# 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 7, Episode 1
♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 5, Episode 7