While Debbie and Walt are waiting at Connie's house, his bow tie falls off and then is back in place a second later.
At the bar for the fund raiser a Santa Claus can be seen on a ledge behind Denise.
When Connie arrives at Club Canton it's lighter outside than when Debbie and Walt leave Bumper's.
When Walt and Connie enter Connie's house there's a sign taped to the front door indicating filming.
During the bar scene with Fran, Denise and Connie, one of the extras looks at the camera and then is seen leaving the table twice.
As two of the girls go toward the bathroom at Club Canton, they are going toward the men's room.
When the drunk approaches Connie at Club Canton his voice doesn't match up.
Eric Tuchelske and Vicki Collins are briefly seen across the bar at Club Canton watching the action.
It is never revealed why The Phone Guy is at the fund raiser.
It's not clear why George is wearing caution tape but it is revealed while Connie is at Club Canton that Halloween is a few days away since the bar is decorated for the holiday. Debbie also mentions it while driving with Walt.
Walt and Connie are not wearing their seat belts. If pulled over they would have both received a ticket.
During Walt and Connie's argument, Walt accidentally says "my wife" then quickly changes it to "my mother."