
There is no CLASS.
The Big Bang Theory Season 8, Episode 2

Since when do you go
to spin CLASS?
The Big Bang Theory Season 7, Episode 20

One time
while I was in gym CLASS,
The Big Bang Theory Season 5, Episode 11

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

It wouldn't kill you to take a Pilates CLASS
with me now and then...
The Big Bang Theory Season 3, Episode 6