Steve Grahame hits the mud with a broken down body and Sludge's mountain mission takes a downhill slide.

On Outback Truckers... It's a white knuckle ride for Sludge climbing a mountain with an angry load. Cameron Smith carts a colossal dump truck out of the Nullarbor – and straight into harms way.

Sludge takes on foreign roads and strange loads in the land of the kiwi. Turbo's new truck gets busted and bashed, on a tour of destruction.

Sludge and the Phantom ride into battle fighting the elements and an old river boat nearly scuttles two truckers along the bumpy road to restoration.

There are headaches on the horizon for Steve Grahame taking on the Tanami with a trailer load of trouble and it's a wild ride for Nigel Vagg hauling 900 feral goats through a heatwave.

The Mackay Brothers hit the bush and try to dodge destruction while Steve Grahame takes on an old enemy at the worst possible time of the year.

It's trial by fire for Russell McDonough hauling a mobile building, down a load-destroying track. The Mackay brothers, race daylight and deadlines, moving a house down the highway.

Mark Cromwell and the electricity switch room convoy run into freak weather and unexpected roadblocks. Turbo goes head-to-head with an angry customer and an angry road.

Mark Cromwell and a team of heavyweight champions drag a million dollar shed through the eye of a needle. Fuel trucker Sludge has pressure problems…blowing his cool on a thousand kilometre drag.

There's trouble in the wind for Kurt Sheppard who is struggling with a load causing oversized problems. Bumper Farrell is on a mercy dash, leading a hay convoy into the eye of the storm.

Kurt Shephard loses his way hauling a hut across Australia. Johnny Dowell drags a stack of steel and a dust cloud, up a horror desert track.

Grahams race through the desert takes a sudden turn from make to break. For young trucker Will its hard rock and hard knocks on an urgent run to the races

The documentary profiling the rig-drivers travelling Australia's toughest highways returns, as Steve Grahame receives a double dose of bad luck during a brutal lap through the red centre. Plus, Turbo is back, battling to get his business out of a rut