Continuity mistake: When the movie begins the smallest boy holds a neat pile of towels. When the shot changes they're messed up. Then they swap back to neat. (00:08:15)
Continuity mistake: When Buster is shot, his hat with the hole in it disappears.
Continuity mistake: The first time we see Jackson rehearsing, his brother comes to the first row to talk to him, always with his right arm down. There's a brief shot from a different angle where his arm is suddenly up. Then back to the previous angle where the arm is lowered for the rest of the scene.
Continuity mistake: After young Donna and Bill are swimming back to the boat, Donna climbs up into the deck wearing a full face mask. In the long shot we see her turn around still wearing the mask. In the very next shot she sits down but the mask has vanished completely.
Continuity mistake: As the young Willowdean puts on the table the Dolly scrapbook for the party before the doorbell rings, in the closeup she's running her left hand along it with the pinky and ring finger off the side, while in the previous and following shot she has her hand fully pressed to the cover.