Nok Tok is playing with his Narabug. It flies into a cave. Nok Tok calls into the cave and a voice answers back. Nok Tok thinks he has found a new friend in the cave. He introduces his new friend to the other Piplings. Then they discover there are more voices coming from the cave. But the friends won't come out to see them. When the cheebies arrive, they bring gifts to try and persuade the new friends to play with them. But the friends still stay inside. Finally the cheebies realise that the voices in the cave are echoes. They explain this to the Piplings. Now everyone has their own special echo friend!