Brewster, Maggie, Ethan and Connor, are playing with paper airplanes. Ethan wonders ‘How do real planes stay up in the sky?’ The friends meet Speedy the Plane who describes how he goes very fast and this means his wings lift him into the air.
Carrick is drinking his favourite juice. The friends wonder ‘what do fish like to drink?’ They jump into the ocean and imagine a Fish Juice Bar and think up a variety of yummy fish drinks. They find the answer with the help of their new fish friend.
When Helvetica Frog gets the hiccups she wonders ‘What causes hiccups?’ The friends are transported to a human body where they meet Bob O’ Tummy who explains that hiccups are caused by the diaphragm muscle jumping.
Helvetica notices that both the sun and moon are in the sky at the same time and she asks, ‘Why do we sometimes see the moon when the sun is out?’ The curious friends head into space where they meet Sonny Sun and Mr Moon who explain the reason to them.