C-O-N...
The Big Bang Theory Season 1, Episode 6
that can get a person uninvited
to this year's Who Con.
The Big Bang Theory Season 5, Episode 14
If this was some sort
of long CON
The Big Bang Theory Season 12, Episode 7
that Howard and I had
a threesome with at Comic Con?
The Big Bang Theory Season 7, Episode 23
(snaps fingers)
Who Con-- you're out.
The Big Bang Theory Season 5, Episode 14