Corrected entry: When Dennis is talking to Libby on the balcony at her birthday party, her dress is draped from one shoulder but in the next shot it is draped from the other.
Corrected entry: When the two friends are fighting outside near the piano center where a group gambles and bets on card games, the trash can goes from upright, to on its side, to upright and finally disappears.
Correction: Already listed as a mistake.
Corrected entry: When Gordon is bursting Denis's blister, he sticks the nail near the top and at an angle. Denis then brings it up to his face before putting it back where it was. Not only is the nail further down but it's no longer at an angle.
Correction: Yes, Libby's dress sometimes covers one shoulder and the other, but there is plenty of time for her to cover or uncover her shoulders due to the long scenes of Dennis monologuing.
Scott215