It's the Grand Final and the biggest night in Australian Ninja Warrior's History. Eight Ninjas will attempt to climb Mount Midoriyama to become Australia's first Ninja Warrior.

The biggest names in Australian Ninja Warrior take on a brutal obstacle course with 3:45 on the clock and a spot in Grand Final Stage 2 up for grabs.

The second of two Semi Finals, tonight some of the biggest names in Australian Ninja Warrior tackle one of the hardest Semi Final courses ever!

It's the first of two Semi Finals, with new and fan favourite Ninjas taking on one of the hardest Semi Final courses ever.

Eight former Grand Finalists are among those battling for the last 16 Semi-Final spots, with the two fastest Ninjas of the night facing off on the all new Power Tower.

It's the third night of the Heats, seeing some of the toughest Ninjas battle it out to not only take out a place on the Power Tower but in the Semi Finals.

Episode Two of Australian Ninja Warrior sees the return of some of our best Ninjas, as they battle it out with the strongest set of newcomer Ninja's we've ever seen.

A new era of Australian Ninja Warrior begins. Ninjas come face to face with new obstacles and for the first time it's Ninja vs Ninja on the almighty Power Tower.