I think
it's only the FIFTH stage
The Big Bang Theory Season 12, Episode 24
Oh, not just date night.
Our FIFTH anniversary.
The Big Bang Theory Season 8, Episode 24
"The FIFTH annual East Rutherford,
New Jersey, Gay, Lesbian, Bisexual...
The Big Bang Theory Season 2, Episode 18
I was done with Latin by FIFTH grade.
The Big Bang Theory Season 3, Episode 2
I study the brain, the organ responsible
for Beethoven's "Fifth Symphony."
The Big Bang Theory Season 4, Episode 24