
...to a sci-fi CONVENTION
in Jackson, Mississippi...
The Big Bang Theory Season 3, Episode 5

engaging in the social
CONVENTION of men bellyaching
The Big Bang Theory Season 5, Episode 23

So, I drove for hours
by bus to a Star Trek CONVENTION
The Big Bang Theory Season 5, Episode 5

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