Going Batty

When Ms. Frizzle invites the class' parents in to see that their kids are learning about bats, Ralphie and the gang are convinced The Friz is a vampire! With Tyne Daly as Ralphie's mom; Eartha Kitt as Keesha's grandmother; Elliot Gould as Arnold's dad; Dana Elcar as Phoebe's dad; and Edward James Olmos as Carlos's dad.