The teams are faced with completing a puzzling game of cat and mouse as they must follow the map that will unlock the key towards the next Pitstop of the race.
In an epic challenge of brains versus brawn, a Detour divides the teams as they are faced with a challenge that tests their physical, mental and tactical skills in order to receive their next clue.
The teams must brave the freezing cold water in an ambitious challenge that sees them work alongside research scientists who are studying the endangered Australian sea lion.
The final three teams battle it out in the air, land, and sea as they race to the last pit stop near the 12 Apostles on the Victorian coast in the hope of winning the grand prize of $250,000.
The race accelerates to new heights when the teams must attempt an epic underwater helicopter escape challenge in one of the most terrifying tests of the race so far.
Like castaways left at sea, the teams are left with only a simple treasure map and a cryptic message in a bottle to guide them towards the finish line at the sixth pit stop of the competition.