# Math, Science, History,
unraveling the mystery #
The Big Bang Theory Season 11, Episode 15
oh, troubled HISTORY, but I hope
that when I make my request
The Big Bang Theory Season 12, Episode 7
It's noteworthy that at other points
in HISTORY...
The Big Bang Theory Season 1, Episode 15
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 21
A wise man once said,
"The true HISTORY of the world
Game of Thrones Season 6, Episode 3