Plot hole: Why does the shark EXPLODE when it gets stabbed by the boat in the end? It had a transmitter of electromagnetic energy designed to shock it rammed down its throat, nothing that would explode like that.
Jaws 4 (1987)
1 plot hole
Directed by: Joseph Sargent
Starring: Michael Caine, Mario Van Peebles, Lorraine Gary, Lance Guest
Factual error: Sharks cannot "stand" up on the surface of the water like this one does in the end. (01:11:15)
Hoagie Newcombe: I have an irresistible urge to kiss you, Ellen Brody.
Ellen Brody: Why?
Hoagie Newcombe: Because... It would not occur to you why.
More trivia for Jaws 4
Question: Did this movie have any negative impact on director Joseph Sargent's life or career?
Answer: Not really, he went on to direct many films and TV shows/miniseries, earning some Primetime Emmys and Director's Guild Awards in the process.