Free Time

You know what the Octonauts are like when they're on missions. But what about in their downtime? What happens then? What do they do to relax?

Where does Tweak get the parts of her inventions from?
What do the Vegimals do when they aren't cooking, singing, farming or on missions, and do they EVER sleep?
What happens when Kwazii tries to be a medic like Peso, and signs up for a medic programme? (Hint: it is a total catastrophe and a complete disaster - as expected!)