With $100,000 on the line, the two remaining teams battle it out in the smallest arena yet, as the unrelenting trackers bolster their ranks with further reinforcements.

The most exposed location yet gives teams little chance to hide from the ruthless trackers and as a furious storm rolls in, one team is left in a precarious position.

With four teams remaining, the pressure to escape from the restless trackers is intensified, but for one team, an argument leads to a catastrophic sequence of events.

The 24 hour challenge sees teams chased day and night by the trackers, who have doubled up their numbers to add even more pressure on the exhausted contestants.

Team Orange lose their map again, creating more friction, whilst Team Blue come under intense pressure as they are strategically targeted by the remaining teams.

Teams have to escape from a deadly glacier at the start of an intensive two days in the wilderness that pushes one team to make a fatal error in view of the trackers.

Teams struggle in the extreme bush of Fiordland and cracks start to emerge between teammates as the intensity of the situation increases when they get completely lost.

The teams chopper into their first challenge in the rugged Southern Alps and soon feel the pressure as the trackers start their chase, hungry for a capture.