♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 12, Episode 23
# Math, Science, History,
unraveling the MYSTERY #
The Big Bang Theory Season 11, Episode 8
♪ Math, Science, History,
unraveling the MYSTERY ♪
The Big Bang Theory Season 7, Episode 24
You are a MYSTERY.
The Big Bang Theory Season 10, Episode 11
# Math, Science, History,
unraveling the MYSTERY #
The Big Bang Theory Season 11, Episode 11