
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 15

♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 18

♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 3

We have a HISTORY.
The Big Bang Theory Season 12, Episode 18

Only a handful of people
in all of human HISTORY...
The Big Bang Theory Season 2, Episode 23