♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 12, Episode 10
# Math, Science, History,
unraveling the mystery #
The Big Bang Theory Season 11, Episode 16
- You're questioning my MATH?
- No, sorry.
The Big Bang Theory Season 2, Episode 18
♪ Math, Science, History,
unraveling the mystery ♪
The Big Bang Theory Season 7, Episode 6