Two married couples are among the truckers crossing Australia's desert, where exhaustion, rain and breakdowns haunt them on trips that last for days.

While Steve risks everything to keep his rig going on an epic trek, ex-model Deb and driving partner Damo must deal with a mid-trip change of plans.

Mark stretches his heavy hauler to the limit driving over a mountain range. Weather threatens Steve as he hauls supplies to a remote area.

Trucker and rancher Dougal must haul cattle to a faraway market to avoid ruin. Meanwhile Steve's rig is stuck a short distance from his destination.

Gordo and Shui face exhaustion and a cyclone on a turnaround trip. Mark, Clare and dog Roy drive toward Adelaide. Steve can't budge in a driving rain.

Steve travels a long stretch of bad road to deliver pricey cargo. Danny drives his mega-hauler overnight to move one of the world's biggest trucks.

First-time lead driver Dion is under pressure to get supplies to a mine. Corey hauls a triple load of petroleum to gas stations vital to their towns.

Turbo is up for any trucking challenge, but waiting for pay from his last job means this hard driving, hard talking trucker is stuck 4300kms from home.

Turbo gambles his truck and life to complete an epic journey home. Logging trucker Brett battles dangerous mountain roads deep into the forest. And heavy hauler Yogi's new business is on the line.

Scrap metal merchant Russell, is trying to get on the road to recovery. Macka McCreedy hits stormy seas hauling a world famous yacht. And Bluezy and Noelene's routine run turns into a rescue mission.

Outback veteran Dennis, battles to stay ahead of a tropical storm. Turbo pushes the pain barrier trying to keep his business on track. And heavy hauler Mark, stakes his name on the job of his career.

Turbo's feeling the heat with engine problems, Mark Cromwell is riding a highway through hell on the job of his career and Heather Jones is battling blowouts and disaster to deliver a monster crane.

Scrap metal merchant, Russell McDonough battles water-logged tracks in the desert, Yogi's super-sized load is on a knife edge and in remote Outback, Corey Chapman's volatile load gets a shake-up.

Russell McDonough's outback nightmare continues with no end in sight. Yogi has some quality family time, but there's trouble ahead. Joey Granich is risking his life taking on a pack of angry bulls.

Dirt road veteran Dennis Dent goes head to head with a lifelong nemesis. Christian Reynolds takes on wild country on a vital mission to build a bridge and Turbo is dealing with disaster upon disaster.

This vast island continent is home to some of the hardest places to reach on Earth. But for the mega trucks that keep the country moving, getting there is just another day at the office.

This vast island continent is home to some of the hardest places to reach on Earth. But for the mega trucks that keep the country moving, getting there is just another day at the office.

Outback legend Steve Grahame is hauling 3 million worth of power equipment, Danny Watts has a massive dump truck for a mine site, and later, Bluzey and Noelene get ready for a 3 day run into the bush.

Turbo's on a mission and the warpath, taking the biggest gamble of his career. Steve Grahame battles 2000kms of dirt, damage and dramas and at the wheel of a monster load Glen Waters faces disaster.

Matt Adams rides a volatile load of bulls into a world of trouble. Yogi tests his truck and his patience to the limit and the Stephens Brothers battle the backwoods to rescue millions of angry bees.

Rustling up a wild load of angry bulls, Matt Adams hits his roughest ride ever. Carrying prized freight, Macka McCready sails into story waters, and the Stephens Brothers battle to rescue their bees.

Hauling a volatile load, larger than life tanker driver Sludge dodges disaster. Steve Grahame heads into unknown territory with busted equipment and Macka McCready sails into wild weather.

Steve Grahame is up the creek without a paddle on a desert island delivery. With a monster load Yogi is running out of time, and concrete kings Jared Baldwin and Jonny Rayner are heading off the map.

On a road to nowhere Jared Baldwin and Jonny Rayner face an epic fight digging in the dirt. Steve Grahame's marathon desert island run hits the deck and Turbo battles bureaucracy to keep on the road.

Jared Baldwin and Jonny Rayner's epic mission grinds to a halt as they climb their way out of disaster.