Audio problem: Right after Mari gives the guy her necklace she says, "My father he works for," but her lips aren't moving.
Audio problem: When Kurg gets bitten, his mouth does not match his screaming.
The Last House on the Left (1972)
2 audio problems - chronological order
Directed by: Wes Craven
Starring: David Hess, Fred J. Lincoln, Lucy Grantham, Sandra Peabody
Revealing mistake: When the killers first pull out Phyllis's severed arm to show Mari, the fingers are moving.
Krug Stillo: Leave Sadie alone, you little toad, or I'll bust your butt with a lily pad.
Answer: She leaves him to bleed to death, which, without prompt medical attention, he surely will.