
Just so I know,
would you be open to taking his CLASS?
The Big Bang Theory Season 2, Episode 7

Why do you think that?
I get it, you're taking one CLASS.
The Big Bang Theory Season 6, Episode 6

Some call it a moral right, and l do
include myself within that CLASS.
Breaking Bad Season 4, Episode 2

You know the new Discovery CLASS missions
NASA's been working on?
The Big Bang Theory Season 8, Episode 21

This is why I didn't wanna tell you
I was taking a CLASS.
The Big Bang Theory Season 6, Episode 6