![♪ 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 12, Episode 16
![♪ 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 16
![♪ 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 12, Episode 15
![♪ 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 18
![Well, okay, one mystery solved.
Well, okay, one mystery solved.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Well, okay, one MYSTERY solved.
The Big Bang Theory Season 6, Episode 8