Factual error: Right before Frank humiliates Dorothy for the first time, he blows out one of the gaslights in her apartment. That is never done in real life, for the same reason you would not blow out the pilot in your stove.
Blue Velvet (1986)
Ending / spoiler
Directed by: David Lynch
Starring: Dennis Hopper, Laura Dern, Kyle MacLachlan, Isabella Rossellini
Jeffrey kills Frank. Dorothy is reunited with her son. Everyone lives happily ever after.
Bugg Superstar
More mistakes in Blue Velvet
Sandy: I don't know if you're a detective or a pervert.
Jeffrey: Well, that's for me to know and you to find out.
Answer: Yes, it belonged to Dorothy's kidnapped husband.
LuMaria 1