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The world's toughest obstacle course returns as the first 50 of 300 competitors begin their quest to become the first Australian Ninja Warrior when they face the Quintuple Steps, T-Slide to Punching Bag, Bridge of Blades, Ball Swing to Cargo Net, Flying Shelf Grab and Warped Wall. The 20 competitors who make it the furthest the fastest will advance to the semi-finals.
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