Synopsis: The kids are all ears as they explore the musical mysteries of sound during a spooky trip Inside the Haunted House! Next, things really start Going Batty when a lesson about nocturnal creatures convinces Ralphie that Ms. Frizzle is...a vampire!
Finally, the kids are zapped into a monster movie, where they discover the ingenious hunting skills of spiders as Scholastic's The Magic School Bus Spins a Web!