Pocoyo Season 5 Episode 23 Echo

Pocoyo finds a place with an echo and discovers it's actually an intelligent, funny echo with whom he can have a conversation. But when he tries to show Pato and Elly, the echo behaves like a normal echo. When he's alone with it again, Pocoyo realizes the echo's playing a joke on him and figures out how to trick it so his friends can see how amazing it is.