I just found a rare looking picture of Carlos, Wanda, Tim, Ralphie, Dorothy Ann, Jyoti, Liz and Ms. Frizzle on https://www.popsugar.com/entertainment/photo-gallery/44677442/image/44680302/Magic-School-Bus-Rides-Again-Season-2

In order to figure out what episode this shot is from, here is a picture of it.