Continuity mistake: After the sheriff is killed Sam and Dewey leave to go to the hospital and it's daylight. On their drive to the hospital it's dark out. Then when they take Dewey's body out of the hospital and Gayle shows up it's suddenly light again.
Suggested correction: You can see the sun setting at several cut sways during their drive, and Tara's room is getting naturally darker as the hospital scene plays out before Ghostface arrives. Then when the scene of Gale arriving in the morning takes place you can tell it's sunrise outside, meaning the events of the hospital took place overnight.
Plot hole: Samantha has watched Stab, knows her father's story, and yet does not recognize she is entering Stu Macher's house. The cancelled Stab 3: Return to Woodsboro, seen in Scream 3, confirms Stu's house exterior looks exactly the same from the original Stab, and is being re-used as a prop for that film. (00:01:26)
Suggested correction: This isn't necessarily a plot hole. You can't expect characters to know whether characters in any given universe would know if a house was previously owned by a murderer, even if that murderer was famous and depicted as such. For example, there are many houses that look identical to the Amityville Horror house in real life, but aren't the real one. In fact, they didn't film the Amityville movies at the real Amityville house, they filmed it at one that was identical.
Cont: who is to say there aren't houses in Woodsboro that are architecturally similar to the Macher one? There are many streets in the world where houses are essentially identical. Without this clarification we can't assume the individual house was 100% the only one of its kind in universe, nor can we assume there are any. We also don't know what Sam knows of the Stab films, as in how many if any she's watched. I would chalk it up as an unaddressed issue. Ie, criticism is fine, but not a hole.
