During a flashback sequence that takes place in 1955, teenagers are driving around in a convertible as Jerry Lee Lewis's "Great Balls Of Fire" blares from the car radio. Lewis recorded, and released the song in 1956, one year after the events depicted in this scene take place.
One man buys a first edition, signed copy of "Treasure Island" by Robert Louis Stevenson. In later scenes, he and the little girl who stole it refer to the title as "Huck Finn" by Mark Twain. In the video and DVD release, his words are dubbed over to correct the mistake. On the television broadcast, the mistake was not corrected. This is an audio mismatch and a continuity error, depending on which version you saw.
Brain Rusk throws apples at the windows of a house. There's a shot of the boy from inside the house and there are three small flowerpots visible on the window sill. When the apple smashes the window and knocks the pots off, the pots are different ones. One is much larger and the other is a glass jar.