When summer starts to heat up, the thunderstorms and winds start to blow across the Great Plains of North America. In early December, the same thing happens across the dry dusty Outback of Australia. George heads down under to link up with Aussie storm chaser Jimmy Deguara, and the pair head out "back a buggary" as the Aussies say, to witness the storms. While in Oz, he dives with some of the creatures of the Great Barrier Reef, and when the opportunity arises to see how painful the sting of the venomous Box Jellyfish is – well, he has to have a go, doesn't he?