![♪ 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 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 12, Episode 9
![♪ 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 6
![♪ Unraveling the mystery
♪ Unraveling the mystery](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
♪ Unraveling the MYSTERY
The Big Bang Theory Season 12, Episode 23
![♪ 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 12