It's hard to believe the Australian Ninja Warrior course could get any tougher.
After all, it took four gruelling seasons for Ben Polson to become the first contestant to conquer the feared Mount Midoriyama.
But this year, the competitors are being put through their paces like never before. And with new obstacles, including difficult challenges underwater, it's sink or swim.
Who will make it to the end? We will have to wait and see.
But first, let's meet the stars of the show.
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