![There's only three people in this house,
and you'd still be my fifth guess.
There's only three people in this house,
and you'd still be my fifth guess.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
There's only three people in this house,
and you'd still be my FIFTH guess.
The Big Bang Theory Season 10, Episode 10
![](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
"The FIFTH annual East Rutherford,
New Jersey, Gay, Lesbian, Bisexual...
The Big Bang Theory Season 2, Episode 18
![Before that, I was in college,
and before that I was in the fifth grade.
Before that, I was in college,
and before that I was in the fifth grade.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Before that, I was in college,
and before that I was in the FIFTH grade.
The Big Bang Theory Season 1, Episode 4
![Uh, well, it's not
May the fifth...
Uh, well, it's not
May the fifth...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Uh, well, it's not
May the FIFTH...
The Big Bang Theory Season 7, Episode 22
![but I spent most of fifth grade
with my head in a toilet.
but I spent most of fifth grade
with my head in a toilet.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
but I spent most of FIFTH grade
with my head in a toilet.
The Big Bang Theory Season 7, Episode 2