A battle to clear a long abandoned mine site exposes an opal level for the Misfits. An epic year-long dig finally uncovers opal rich ground for the Blacklighters.
The Mooka boys bet on a 30-year-old exploration drill to convince an investor. The hunt for old-timers tunnels could be a costly mistake for the Blacklighters.
The Bushmen are forced to work a dangerous new claim after abandoning a dry mine. Angel and Opal Jo's search for a new partner threatens to tear the team apart.
The Digi Diggers discover a rich opal seam full of brittle and worthless rock. Faced with impenetrable rock the Bushmen are out of options and make a risky deal.
Once in a lifetime floods across Australia force the Mooka boys into an abandoned mine and floods drive the Opal Whisperers to the home of a legendary Angel of Yowah opal.