episodes
- 1. Gold Rush In the first set of gold-mining challenges in New Zealand's Westland National Park, Ellen, Mike B and Mike L attempt to pan gold from a river while Jonathan builds a metal detector and Kathy devises a...
- 2. Shakers Mike L, Kathy and Jonathan are set the task of building an automated gold-panning machine, while Ellen is challenged to work out the date of the most recent major earthquake in the area. The team's re...
- 3. Quakers Ellen's task this week is to devise a way of waterproofing a tent that Mike B and Mike L will take on an expedition to seek out gold. Meanwhile Kathy and Jonathan build a seismograph using parts from...
- 4. Ice The entire team are taken on a journey to the Franz Josef glacier and must pool their knowledge to work out both how fast the glacier is moving, and how fast it is melting. They must also create heat...
- 5. Treasure Hunt With the team's time in New Zealand running out, Kate offers the team some extra gold to help them make their jewelery. But it's buried somewhere on a nearby mountainside - so the scientists will need...
- 6. The Big Smelt The culmination of the group's New Zealand adventure. The team have found enough gold to carry out their final task, but they still face the challenge of purifying the gold and working it into a piece...