Buckle your seatbelts! Hop aboard the Magic School Bus for a whole new adventure about invasive species that is out of this world. Next stop. . . The Magic School Bus heads to the Galapagos to learn about invasive species! Arnold is alarmed to discover that the beloved Ms. Frizzle has been promoted and her younger sister Fiona is taking over the class. His worries come true when a simple field trip results in the Galapagos Islands being overrun by invasive bunnies. Can Arnold save the islands, and will he ever learn to like his new teacher?