Professor Kompressor has a cure for Walter the farting dog's "digestive Disorder." He shows Mother how to mix a special formula for Walter in his Kompressatron. But after a few days, Walter's farts are worse than ever. Father decides to mix the formula himself. "it's working!" cries Mother. "The air smells so fresh." Walter is pleased, too, until something strange happens – he blows up like a balloon and floats out the window! Will Walter's paws ever touch earth again? Plenty of laughs and cheers will arise from this story that takes Walter to new heights.