Ninth?
The Big Bang Theory Season 5, Episode 15
did this as our science fair
projects in NINTH grade.
The Big Bang Theory Season 11, Episode 13
slip out of the NINTH floor,
and go on a little adventure?
The Big Bang Theory Season 5, Episode 18
...who is dominating in the NINTH frame
with a career-best 68.
The Big Bang Theory Season 2, Episode 11
with my NINTH favorite person.
The Big Bang Theory Season 5, Episode 15