Before Sammy gets driven off with his head stuck in a rolled up window, the black guy shuts his door. Yet in between shots of him and Sammy, the door can be seen wobbling.
The curling iron Cappy says is one of Juliet's "sex toys" suddenly becomes a blow dryer.
In one scene, Juliet wakes up beside Cappy after having a nightmare. In the first shot, Cappy is wearing black socks. In the next shot, he's barefoot.
A few of the locations are the exact same, when Sammy's driven around with Monty's car.
Juliet's chest flaps open and close between shots of Tromeo eating popcorn out of her and playing with one of the rats.
When Sammy is driven off with Monty's car, the background is clearly blank inside the car.
When the tattoo artist get stabbed in the eye, it's clearly a dummy.
When Tyrone is getting dragged off with another car, the foreground clearly shows a stagnant building.
When an antagonist gets his head squashed, no blood or brain matter splatter onto the floor. Plus, the face is clearly rubber.
Everyone in the club scene slow dances; yet when a Motörhead song comes on, they're still dancing slowly.
When Juliet is playing guitar in her bedroom, she goes to set the guitar down and a hand rises from the floor to take it from her.
Shadows from the camera are sporadically visible.
It is pointed out toward the end that Tromeo is obviously not Monty's son because Monty is black, but it is never explained as to how Benny is related to Monty, as he is white.
A microphone can be seen taped to the back of Juliet's guitar.