♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 14
♪ Math, Science, History,
unveiling the mystery ♪
The Big Bang Theory Season 7, Episode 11
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 6
Do you think
you can do the MATH?
The Big Bang Theory Season 11, Episode 8
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 18