At the wedding, when his head catches fire, the Tin Can Man says "Call 911." In Transylvania the number for emergency services is 112.
Movie takes place in the 60s but there is electronic dance music played throughout the movie. EDM first came about in the late 60s. However, the genres of the songs used in the movie that qualify as EDM most likely originated in later decades.
The Munsters are horrified by the ordinary-looking people in their new neighborhood, but that didn't seem to bother them when they honeymooned in Paris.
In Paris for their honeymoon, the newspaper held by Lily reads "LUNDI 30 DE JUILLET 1962" (Monday, 30 of July 1962). Yet, while on a date before marrying, Lily and Herman sang "I Got You Babe" by Sonny and Cher, which would not be released until July of 1965.
Since the original series took place in the mid-'60s, this film should be set in the late '40s or early '50s, since Eddie was around 10 when the series began. But almost everything from the music to the dialogue to the costumes is strictly 2022.
At 52, Sheri Moon Zombie is way too old to be playing a woman who in human terms is supposed to be at most in her late 20s. In the original series, Yvonne DeCarlo was an age-appropriate 42. (And Daniel Roebuck, who plays her father, is only seven years older in real life.)