The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. The kids rent a rainforest cocoa tree as an Earth Day present for Ms. Frizzle. But when the harvest arrives, there's only one shriveled cocoa bean and a note from Inspector 47. The note reports that the tree isn't producing beans. Ms. Frizzle takes the class to the rain forest to meet the inspector and find out why the trees aren’t producing cocoa beans.