
Wait a minute. This isn't flirting.
You're SERIOUS.
The Big Bang Theory Season 2, Episode 12

This looks like some SERIOUS stuff.
Leonard, did you do this?
The Big Bang Theory Season 1, Episode 1

of making some SERIOUS coin,
Skinny.
Breaking Bad Season 2, Episode 11

You are not SERIOUS.
The Big Bang Theory Season 12, Episode 17

- Are you SERIOUS?
- Uh-huh.
The Big Bang Theory Season 3, Episode 1