♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 7, Episode 22
# 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 11, Episode 14
# Math, Science, History,
unraveling the MYSTERY #
The Big Bang Theory Season 11, Episode 17
♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 5, Episode 4