In the forest, Pipì, Pupù and Rosemary meet Zelig, a chameleon, with his chameleon friends. Once they have seen how these animals change shape and colour to eat and escape their enemies, Pipì, Pupù and Rosemary ask if they can imitate them for a day. The chameleons are quite happy to show them what it means to live in constant disguise and for a whole day they lend them clothes to dress up in, so that Pipì, Pupù and Rosemary can be chameleons too.