The biggest names in Australian Ninja Warrior are invited back to compete on five of Ninja World’s toughest obstacles, to break national and international records, win cash prizes and claim all-important bragging rights.

It’s Heat 2 and this year’s course has proven to be tougher, faster, and more dynamic than ever before. The Attack of the Teens continues while our Ninja legends are more determined than ever to prove they’re still in charge of this course.

Heat 3

In the last of the heats, The lightest and heaviest Ninja’s compete, plus Bachelor Tim Robards and the first woman to scale the warped wall last season - Andrea Hah.

After rigorous months of training, the fifty chosen contestants line up for the first round and overcome the biggest and hardest obstacle course in the world.

The second Heat sees the rise of a new breed of Ninja and the return of some of our greatest and most loved Ninjas as they battle it out on the toughest course we've ever seen.

Heat 2

It's the first of the Semi Finals. With awe-inspiring obstacles, fan favourites and newbie Ninjas battle it out to make the Grand Finals with the Top 2 going head-to-head on the Semi Finals Power Tower.

It's Heat 3 and tonight sees the return of Ninja favourites as well as brand new Ninjas set to give the old guard a run for their money.

Ninja Warrior is back. After being conquered last year, Mount Midoriyama is angry. A tougher course with new obstacles will challenge the Ninjas like never before.

Only the very best made it through the heats, but now the competition steps up gear as we enter the semifinals.

Among the 50 competitors taking on the Quntuple Steps, UFO Slider, Bridge of Blades, Basket Toss, Pipe Climber and Warped Wall are a mix of newcomers and returning heroes, which include National Rugby League legend Paul Gallen, miracle mother Tash Sergie and tradie Sam Goodall, a Ninja Warrior favourite. The 20 competitors who make it the furthest the fastest will advance to the semi-finals.

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.

Some of the most favoured returning heroes, Australia's most infamous party boy Corey Worthington and Red Wiggle Simon Pryce are among the 50 competitors who tackle the Quntuple Steps, Rolling Pin to Bungee, Bridge of Blades, Rope to Cargo Net, Big Wheels and Warped Wall. The 20 competitors who make it the furthest the fastest will advance to the semi-finals.

Only the very best made it through the heats, but now the competition steps up gear as we enter the semifinals.

Only the fittest and the fastest Ninjas will survive as they take to the grand final course and race against the clock. Nine gruelling obstacles stand in their way before the chance to climb Mt Midoriyama

Only the very best made it through the heats, but now the competition steps up gear as we enter the semifinals.

Only the very best made it through the heats, but now the competition steps up gear as we enter the semifinals.

Heat 5

Heat 4

It’s a night of shock exits, sensational runs and history-making feats when Australia’s biggest Ninja superstars battle the course.

Semi Final 3