did this as our science fair
projects in NINTH grade.
The Big Bang Theory Season 11, Episode 13
Ninth time's the charm.
The Big Bang Theory Season 6, Episode 5
Ninth?
The Big Bang Theory Season 5, Episode 15
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