Episode Title:
Frizzle of the Future.
Episode Description:
It's a new year in Walkerville Elementary, but to the kids' surprise, Ms. Frizzle (now Professor Frizzle) has gotten a PhD and retired (foreshadowed in the original series episode, "Works Out"). However, Arnold is nervous that the new teacher, Professor Frizzle's sister, will alter the class "ecosystem". Meanwhile, the new student, Jyoti, wonders how she will fit in to this "ecosystem".
