Part 1: Blasting for Gold - Part 2: Comedy Gold - Part 3: Salt Satellites

Part 1: Blasting for Gold The team go underground gold mining in Kalgoorlie. Part 2: Comedy Gold Simon Pampena performs comedy using mathematics in Kalgoorlie, but will his numbers add up? Part 3: Salt Satellites The trio "sail" on Lake Lefroy and meet scientists using the salt lakes to keep satellites accurate.