It's Sunday, a busy day at the zoo. Raiga and Kudou are helping out, and end up exhausted. When Kuga comments that he wishes for extra hands, Madoka arrives dressed as a spider. Although, Kuga points out that spiders don't have arms, but legs. Embarrassed by this mistake, Madoka fires a sticky net made of spider web from her costume. This prompts Kuga to wonder how spiders never get stuck on their own web. Madoka explains that it's because they make two webs, one for catching prey and one which isn't sticky, that they can walk on...