Stream anime episodes online for free, Watch The Law of Ueki Episode 20 English version online and free episodes. Anime Episode guide, Chapter The Law of Ueki Episode 20 English dubbed The Law of Cat and Mouse It’s Rinko versus Kabara, and they fight in the…cat field? The objective is to get the opponent to get eaten by a cat, and to do that, they have to turn into a mouse! Slap the cat’s nose and they become a mouse! Kabara seems to have the advantage in this one thanks to his ability to fly, but Rinko has a few tricks up her sleeves: some new weapons and a…love of animals?