Obki learns all about energy wastage, and realises he has left more than a few things left switched on.

The Orb helps Obki to trace the microfibres from his trousers all the way to the miniature deep blue, where the local creatures aren't fussy about their food.

When the Orb shows Obki how the Earth's beautiful rainforests are being cut down by humans, he jumps into action to save them.

Obki's doodling session gets interrupted when the Orb notices that Obki has been wasting a lot of paper.

Obki discovers how important seagrass is for our environment and is inspired to produce a new hit song to raise awareness for it with the help of his underwater friends.

Orb show Obki just how much pollution is created to deliver fruit to our supermarkets. Time for a local solution.