- Really?
- Yeah. I was at a science-fiction CONVENTION...
The Big Bang Theory Season 8, Episode 20
...I finally arrived at the
Fourth Annual Dixie Trek Convention...
The Big Bang Theory Season 3, Episode 5
Yeah, it's a dinky little CONVENTION
where they sell collectibles
The Big Bang Theory Season 10, Episode 6
Fine, we'll abide
by the Geneva Convention.
The Big Bang Theory Season 4, Episode 19
I'm starting my own CONVENTION.
The Big Bang Theory Season 7, Episode 14