Penny says they're having fun
WORKING on the prototype.
The Big Bang Theory Season 9, Episode 19
We're WORKING.
You gotta get out of here.
Breaking Bad Season 2, Episode 8
Hey, the camera's WORKING!
The Big Bang Theory Season 8, Episode 22
Dr. Fowler and I have
been WORKING on
The Big Bang Theory Season 12, Episode 5
But I'm still WORKING.
The Big Bang Theory Season 3, Episode 14