Pocoyo Season 5 Episode 7 The change-up

Tired of being ignored, the Narrator decides to pass himself off as a very strict replacement narrator. Not used to the military treatment, Pocoyo and Pato obey without question. Everything seems to be going well until the Narrator discovers Pocoyo and Pato have become robotic zombies. He gets scared. In the end it turns out Pocoyo and Pato played a joke on the 'strict' narrator!