
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 20

♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 16

♪ 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 12, Episode 8

♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 7