The competitors are challenged to eat scorpions, career into a quarry filled with live ammunition and crash through structures, strapped to the front of a cement truck.

Competitors must confront their most primal fears, including being plunged into a lake in a car, diving for cow hearts in thousands of gallons of blood and attempting to blow up a petrol station.

Contestants are flown in a car hanging beneath two helicopters, before being challenged to drink a specially formulated concoction and falling through a collapsing tower.

The competitors are challenged to transport snakes from one team member to another in their mouths and transfer flags to each other while hanging underneath a helicopter and riding a watercraft.

As well as being locked in a cage and placed underwater, they are challenged to eat a meal provided by the Roach Coach, with items on the menu including cockroaches, grasshoppers and maggots.

The competitors are challenged to race through an electrified maze, drink donkey urine and brave an exploding train.