Marjorie first hugs Bill at the dance and the powder bursts all over her chest. In the next instant as they begin to dance Marjorie's front is clear of powder.
The doorbell rings just as Stella finishes putting rubbing alcohol on Marjorie's leg. Marjorie moves her skirt down to cover her leg, then does so again in the next shot.
George moves his dinner plate toward him twice.
As "By the Light of the Silvery Moon" is played on the saloon piano, an old woman's beer glass that is empty mysteriously instantly fills in the background between shots.
(At about 2:35) Alice pulls a lamp and vase out of the barrel. But when the shot changes, she's holding a framed picture and a towel.
During the silent movie, the title cards display a misspelled "weiner schnitzel" which should be spelled "Wiener schnitzel."
Although this is a color film, the establishing shot of the outside of the movie theater is in black and white.
Women's clothes and hair style are not from the time of world war one.
When Hubert is playing the piano at the party, he finishes the song with two chords, one for each hand. It's obvious, however, that he plays nothing with his right hand as it's up in the air as the chords are played.
(at around 24 mins) When Wesley is under the decking choking due to the dirt, his mouth is out of sync with his coughs and wheezes.