
So a couple months ago, I started taking
a history CLASS at the community college.
The Big Bang Theory Season 6, Episode 6

Top of her CLASS.
Cambridge University.
The Big Bang Theory Season 4, Episode 21

our unassigned
armor CLASS units.
The Big Bang Theory Season 11, Episode 16

Catch a step CLASS?
The Big Bang Theory Season 3, Episode 4

- ...then I'll have to teach a CLASS.
- That is correct.
The Big Bang Theory Season 8, Episode 2