
- Really?
- Yeah. I was at a science-fiction CONVENTION...
The Big Bang Theory Season 8, Episode 20

- But it's the social CONVENTION.
- It is, isn't it?
The Big Bang Theory Season 3, Episode 11

Did you tell them that
you're holding your CONVENTION
The Big Bang Theory Season 7, Episode 14

I know you're not ready and I don't want you to
say it just because social CONVENTION dictates...
The Big Bang Theory Season 8, Episode 8

Social CONVENTION dictates
The Big Bang Theory Season 5, Episode 16