Her earrings are the planet Saturn, and her shoes have space shuttles. In this episode, Professor Frizzle's dress is Navy blue and depicts celestial bodies (which also carries over to her space suit). Frizzle 'accidentally' gets lost in the solar system, Janet may be the only one with enough knowledge to save them! Frizzle's class on a field trip and gets them lost in outer space! But when the navigational system breaks down, and Ms. Full: Arnold's know-it-all cousin Janet drives the kids crazy when she joins Ms.Frizzle's class on a field trip and gets them lost in outer space! Short: Arnold's know-it-all cousin Janet drives the kids crazy when she joins Ms.3.2 Is This the Magic School Bus? segment.1 Scholastic Entertainment descriptions.