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

No, it's the accepted CONVENTION.
The Big Bang Theory Season 2, Episode 21

Yes, I'm starting
my own comic book CONVENTION,
The Big Bang Theory Season 7, Episode 14

No. Something
about a CONVENTION.
The Big Bang Theory Season 7, Episode 14

Let's see, the magic store,
the Doctor Who CONVENTION,
The Big Bang Theory Season 10, Episode 19