![♪ Math, Science, History,
unraveling the mystery ♪
♪ Math, Science, History,
unraveling the mystery ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 21
![♪ Math, Science, History,
unraveling the mystery ♪
♪ Math, Science, History,
unraveling the mystery ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 5, Episode 19
![When I come back, just for fun,
the subject will be alternative history.
When I come back, just for fun,
the subject will be alternative history.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
When I come back, just for fun,
the subject will be alternative HISTORY.
The Big Bang Theory Season 2, Episode 9
![♪ Math, Science, History,
unveiling the mystery ♪
♪ Math, Science, History,
unveiling the mystery ♪](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Math, Science, History,
unveiling the mystery ♪
The Big Bang Theory Season 7, Episode 11
![I was tutor to his children.
I taught them languages and history.
I was tutor to his children.
I taught them languages and history.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
I was tutor to his children.
I taught them languages and HISTORY.
Game of Thrones Season 4, Episode 10