Sixth GRADE. But I wore a sport coat
and carried a brief case so...
The Big Bang Theory Season 9, Episode 15
...when I won the Earth Science medal
in third GRADE.
The Big Bang Theory Season 2, Episode 23
I tried in seventh GRADE.
I could never get used to them.
The Big Bang Theory Season 4, Episode 18
Yep, I had to go through
the entire second GRADE...
The Big Bang Theory Season 1, Episode 15
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