Helen Slater had to wear a wig in several scenes that were reshot after principal shooting had wrapped. Moreover, Yeardley Smith also wore a wig after her character Putter cuts her hair short.
When Bynx and Lloyd are walking in the lot by the beach, and Bynx holds the gun towards Hubie, the closeup shot of Bynx's clothes are just a t-shirt when actually he has a dress over it.
The majority of characters are depicted to have heavy southern accents. However, in the South Texas region where Corpus Christi is located, not many residents have an accent.
Ringwald's hand reaches into the frame toward the little boy, who is handing over the paper sack that contains a VHS tape from Billie Jean. But Ringwald is still standing by the window, snacking.