Revealing mistake: Near the end of the movie, when Starla is flung about by Grant, in some shots it is obvious that Starla is replaced with a stunt double, as there is a noticeable hair change in some of these shots.
Slither (2006)
1 revealing mistake - chronological order
Starring: Elizabeth Banks, Michael Rooker, Nathan Fillion, Gregg Henry
Audio problem: Just after the car crash, when the zombies are taking Starla, Bill and Kylie yell after her, but they call her Carla.
Jack MacReady: Move the fuck out of the way, cocksucker!
Mother with child: Howdy, Mayor.
Trivia: Right after the huge out break of worms the mother tells the two girls to go to bed. Well look at the books the two girls are reading.The books "The Girl Who Cried Monster" and "You Can't Scare Me" from the Goosebump's series. This is trivia because one of the books talks about a man doing weird things with slug like creatures.