
but I spent most of fifth GRADE
with my head in a toilet.
The Big Bang Theory Season 7, Episode 2

Oh, hey, in seventh GRADE,
The Big Bang Theory Season 11, Episode 13

For example, Lisa Peterson hasn't talked
to me since 11th GRADE.
The Big Bang Theory Season 4, Episode 7

In ninth GRADE, the girls put
Rogaine in my hand lotion.
The Big Bang Theory Season 5, Episode 11

I didn't want you ending up
with a bad GRADE and get discouraged...
The Big Bang Theory Season 6, Episode 6