Six teams travel across Australia's unique and vast locations to find the country's most exclusive and iconic gemstones, especially the opal.
Failing to find opal, The Mooka Boys embark on a risky mission at night. The Bushmen use a robot dog to help map out their underground mine.(S08,E09)
The Bushmen's plan to connect old underground drives calls for a huge drill. Slim Pickings face disaster when their rickety tractor breaks down.(S08,E10)
Increasingly desperate, The Mooka Boys beg for scraps in an old mine, but a discovery could change their fortunes. Machinery failures hit The Cheals.(S08,E11)
Lee Hobden and Roger Williams search for buried treasure in machinery discarded by the old-time miners. The Bushmen move to a promising new claim.(S08,E12)
The Bushmen accidentally unleash a potentially fatal threat to the team. Matt and Cozza reach out to Dale Groben to help lift the team's spirits.(S08,E13)
The Cheals are finally getting their second agitator up and running. The Blacklighters find impressive shell fossils in their open cut mine.(S08,E14)
The Misfits return to their claim and find it's been soaked by torrential rain. The Opal Lovers dig a deep trench on their Digger's Gully claim.(S08,E15)
The Opal Whisperers are on a mission to unearth something worthwhile from their newly excavated trench. Aging machinery slows The Bushmen down.(S08,E16)
The Opal Lovers excavate old drives in search of red crystal opal. Plus, mechanical problems are once again giving the Mooka Boys a headache.(S08,E17)
The Blacklighters are pushing for a big pay day. With weather threatening to halt their operation, the Misfits have to get crafty with their setup.(S08,E18)
The Blacklighters have just one week left to strike opal before the summer heat shuts them down. The Bushmen scramble to beat mechanical failures. S8, Ep19