At the cemetery, Tina-as-Whitney morphs back to her own form, but in so doing, she ends up at the same height as Whitney, who in all other scenes is nearly a foot taller than Tina. In the next cut, she is about the same height as Lana.
When Clark is walking down the street and walks past the movie theater, the sign changes - the last line was in red letters, then suddenly isn't.
When Tina changes form, sometimes she's wearing the same clothes, and others she's wearing what the person was wearing.
When the other woman stands up after the other woman falls down the stairs she starts to walk down them.
In the next scene she starts to walk down them again.
In the next scene she starts to walk down them again.
As Tina/Clark tries to run over Martha, there is a shot of Tina/Clark up close in the truck, and the gear shift is still in park.
When the woman falls down the steps the other woman is standing on the landing at the top of the steps with at least a foot of space between her head and the celing.
But in the next scene she is now sitting on the steps and there is not even an inch between her head and the celling show it is now a sound stage set.
But in the next scene she is now sitting on the steps and there is not even an inch between her head and the celling show it is now a sound stage set.
When the woman is falling down the stairs she hits both walls and the both shake visible.
Lana says the theme of her mother's prom was Saturday Night Fever (1977), however she was in the class of 1977 and the movie didn't come out until December of that year.
When the other woman shouts mom you hear it but when she closes her mouth you start to hear her say it again and then the scene changes and it shows her saying it again.
When Clark falls off the rope in the gym and looks up to see inside the girls' locker room, as the "wall" peels away, in the initial shot you can see the lumber framing the set on the edges of the shot. The shot zooms in quickly, but if you freeze frame it, you can clearly see the 2x4s on both sides of the picture.
When you see the girl at the top of the steps there is a bright stage light illuminated behind her that was not there a scene before.
When Tina's mom gets to the bottom of the stairs from falling, a lamp falls over. You can clearly see the plastic line used to make the lamp tip over.
Chloe claims to have worked at the Torch the previous year copying that years graduation speech, but this doesn't make sense since she's a freshman.
After Martha finds the money in the antique shop she tells the other woman she needs to be more careful, as they are walking in the room there is a boom mic shadow moving.