This page contains trivia for "Erection Day". Remember, trivia must be factual, provable, and it is always best to cite your source for not-so-obvious trivia. If you would like to dispute a trivia point, please discuss it in the article comments.
When Jimmy is standing with the main cast, Kenny's parka appears totally empty; his face is not shown.
When Jimmy first goes into the bathroom, both toilet stalls are occupied. Then when Butters enters the bathroom, one is empty. Both become occupied again when Butters tells Cartman to give a courtesy flush.
When Jimmy is in Colfax Point, the same pedestrian can be seen more than once in different places.
Buca De Faggoncini is improper Italian, as it should have been "Buca di Faggoncini". This may have been intentional.
When Mr. Mackey says 'It's what?', his mouth doesn't move.
Despite there being a scene showing that Stan and Kyle are in the crowd during the talent show, they are not present in any of the full shots of the entire audience.