
Well, okay, one MYSTERY solved.
The Big Bang Theory Season 6, Episode 8

♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 7, Episode 23

So, if you want to solve
the MYSTERY of who stabbed
The Big Bang Theory Season 7, Episode 3

♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 12, Episode 14

♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 12, Episode 16