Outback Opal Hunters - Season 12 Episode 4 -

Drowning in a sea of overburden, The Blacklighters face off against each other...In their ongoing struggle against a near-impenetrable rock cap on their Lunatic claim, The Mooka Boys enlist a powder monkey to crack the cap but then are blindsided...Slim Pickings are forced to relocate their entire washplant in the rush to fulfill a high-stakes order for an international buyer...