Continuity mistake: When Phillip crawls under the fence the barbed wire tears the lower part of his costume, whereas in the next shot the tear starts at the shoulder. When Butch sends him back to his mom, the costume is totally torn up in the back for no specific reason. (01:45:05 - 01:59:10)
Continuity mistake: When Butch kidnaps Phillip he grabs him with his left hand, holding his gun in the right hand. When he leaves the house Phillip and the gun have switched places. (00:12:40)
Continuity mistake: When the police check Terry's body the corn is significantly higher than in the chase scene, where even little Phillip had to crawl on his knees for cover. (00:25:35 - 00:33:10)
Continuity mistake: When the trick-or-treaters come to the Perrys' door, Phillip's mom ushers her children back into the house. They obey immediately, but when the camera angle changes the girls are back where they were and leave again. (00:02:30)
Continuity mistake: When Butch and Phillip go past the police trailer Sally spots the Casper costume. In this shot the relative movement of both vehicles is shown far too slow. (00:57:20)
Plot hole: There's a number of strange things about Butch's and Terry's escape: When the grid falls down the very loud noise passes unnoticed. After they climb down the tied bedsheets Butch pulls once and it comes down, although no-one tied it loose. And finally, their escape route ended within the prison walls, and they needed to kidnap the clerk, who had come back into the prison to get some papers, for the escape in his car, something which wasn't planable at all. (00:05:40)
Continuity mistake: After Phillip gets knocked over by Terry he gets up twice in shots from the front and from behind. (00:10:35)
Continuity mistake: When Phillip crawls through the cornfield the gun disappears from his hand for one shot. (00:26:25)