When Turbo's girlfriend visits him in the hospital, she comes out of the locker and closes it behind her. In the next shot, the locker door is wide open.
When Turbo is asks Kelly about the girl he likes in the park, his hand instantly changes from being on his hip to being up to his chest in the following shot.
When Ozone and Strobe are squaring off at the Radiotron, the faux-fur tail attached to the back of Ozone's hat is alternately lying across his shoulder in close shots and straight down his back in far shots.
Derek Opens his dinner roll twice.
Ozone goes to Kelly's house to let her know that Turbo had an accident and that he's in the hospital. When they rush off to go see him, in the very next scene, they are both visibility wearing different clothes from what they were wearing a minute before.
Turbo has just escaped from the hospital supposedly with a broken leg from falling down the stairs yet in the scene when he and his dance crew are putting on a show to save there community center he's shown breakdancing with the group impossible after a broken leg..
Everyone at Miracles is broke, and yet they have funds to put on a show complete with a professional sound system and dozens of matching outfits.
In the scene where Turbo dances all around the room, there is a hole in the ceiling (close to the skylight) through which one can see the movement as they spin the room around to create the illusion.
An obvious stunt double is used when Turbo is falling down a set of stairs.
When Brenda knocks the Pizza Hut boxes out of Kelly's hands, they're obviously empty. This is mostly evidenced as Turbo starts tossing the empty boxes at the bulldozer operator in the same scene.
Obvious stunt woman standing against the wall when Turbo is dancing around the room.