Episode Title:The Magic School Bus Blows Its Top.Episode Description: According to Ms. Frizzle, there is an island so new it hasn't been discovered yet. Carlos wants to name it "Carlos Island"' but Dorothy Ann has decided to get a name by looking in a book. However when they arrive, there is no island. Ms. Frizzle says it's because the island hasn't arrived yet. In the end, it turns out that the island was created by an underwater volcano.