♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 24
but the MATH is
really complicated.
The Big Bang Theory Season 12, Episode 7
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 4
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 24
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 21