Leslie Winkle is the FIFTH girl
I've ever had sex with.
The Big Bang Theory Season 2, Episode 16
I study the brain, the organ responsible
for Beethoven's "Fifth Symphony."
The Big Bang Theory Season 4, Episode 24
lt wasn't until the FIFTH grade
that l found out she liked me too,
Breaking Bad Season 4, Episode 8
Before that, I was in college,
and before that I was in the FIFTH grade.
The Big Bang Theory Season 1, Episode 4
it's only the FIFTH stage
The Big Bang Theory Season 12, Episode 24