When Henry says, "Shake with the snake!", his mouth is wide open in a leering grin. In the next shot, his mouth is barely open, as if in disgust.
Sean takes the deodorant and the bag from Eddie, then sets the bag down on the coffee table. However, he only sets the deodorant on the table and the bag is suddenly sitting behind the tapes. In later shots, the bag moves closer to the deodorant.
The pamphlet that falls out of young Sean's cereal box lands with the top left corner inside the rim of the bowl and some bits of cereal scattered on it. The shot then cuts to a close-up and all four corners are outside the rim of the bowl and the cereal bits are arranged differently.
Sean starts the fight on the couch with Eddie by shoving the pillow in his face. In the next shot, Sean's hand is under the pillow, like he was pulling it away and Eddie's face is suddenly several inches away from the pillow.