
they know me from the Daddy
and Me CLASS I've never been to.
The Big Bang Theory Season 11, Episode 11

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

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

Ooh, I have CLASS.
The Big Bang Theory Season 12, Episode 2

Sheldon, I'm more than smart enough
to take your CLASS.
The Big Bang Theory Season 8, Episode 2