When Deacon crosses the street to the SOS building, all the traffic is driving through a red light.
When Wayne (Jerry Reed) approaches Uncle Furry (played by musician Furry Lewis) outside his home, Uncle Furry happily exclaims out of character, "Reed, is that you?"
The movie is set in 1957 but the logo on the RC Cola cooler in the diner is a more-modern design not introduced until years later.
The movie is set in 1957, but near the end of the movie James Hampton's character is reading a "Plastic Man" comic book from the 1960s (that specific Plastic Man DC comic was issued from 1966-1968)
Although the film is set in the mid 1950s, The DanceKings are all playing instruments straight out of 1975.
The film is set in 1957, but during the drive-in bank robbery escape, several vehicles from the '60s and '70s are seen.