
Hey, what if I took your CLASS?
The Big Bang Theory Season 8, Episode 2

Spin CLASS,
worked up quite a sweat.
The Big Bang Theory Season 4, Episode 5

No, I'm-I'm teaching a CLASS.
The Big Bang Theory Season 12, Episode 24

This is my friend Emily.
I know her from my spin CLASS.
The Big Bang Theory Season 5, Episode 4

My project for his CLASS...
Breaking Bad Season 3, Episode 9