Pink wine and pizza bagels!
It's like eighth GRADE all over again!
The Big Bang Theory Season 10, Episode 13
I was done with Latin by fifth GRADE.
The Big Bang Theory Season 3, Episode 2
In the first GRADE, my friend Rosie and I
made a pact to marry Bert and Ernie.
The Big Bang Theory Season 3, Episode 5
but I spent most of fifth GRADE
with my head in a toilet.
The Big Bang Theory Season 7, Episode 2
I was only being polite.
Pemberton is a GRADE A weasel.
The Big Bang Theory Season 12, Episode 21