![did this as our science fair
projects in ninth grade.
did this as our science fair
projects in ninth grade.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
did this as our science fair
projects in ninth GRADE.
The Big Bang Theory Season 11, Episode 13
![Sixth grade. But I wore a sport coat
and carried a brief case so...
Sixth grade. But I wore a sport coat
and carried a brief case so...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Sixth GRADE. But I wore a sport coat
and carried a brief case so...
The Big Bang Theory Season 9, Episode 15
![For example, Lisa Peterson hasn't talked
to me since 11th grade.
For example, Lisa Peterson hasn't talked
to me since 11th grade.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
For example, Lisa Peterson hasn't talked
to me since 11th GRADE.
The Big Bang Theory Season 4, Episode 7
![Mrs. Wunch in fourth grade.
Mrs. Wunch in fourth grade.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Mrs. Wunch in fourth GRADE.
The Big Bang Theory Season 9, Episode 23
![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