It's showdown time as Toto confronts the alien fungus, Pang Pang, and demands he halt his evil plan to take over the Earth. Let's see how Toto fares and learn all about fungi at the same time!An epic battle is taking place right before our very eyes, noses, ears and mouths! And help is on the way from an unlikely but lovable source. What is this source? Meet Toto, your average boy who takes an extraordinary journey to unpack the fascinating world of viruses, parasites, bacteria and fungi! Become a germs expert and triumph!