![We're doing serious research
which requires complete and utter focus.
We're doing serious research
which requires complete and utter focus.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
We're doing SERIOUS research
which requires complete and utter focus.
The Big Bang Theory Season 3, Episode 4
![It's usually not serious,
but it can produce a cough like that.
It's usually not serious,
but it can produce a cough like that.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
It's usually not SERIOUS,
but it can produce a cough like that.
Breaking Bad Season 2, Episode 9
![You are not serious.
You are not serious.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You are not SERIOUS.
The Big Bang Theory Season 12, Episode 17
![Really? You're serious?
Really? You're serious?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Really? You're SERIOUS?
The Big Bang Theory Season 6, Episode 3
![Are you serious? For what?
Are you serious? For what?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Are you SERIOUS? For what?
The Big Bang Theory Season 7, Episode 12