It's the last of the Australian Ninja Warrior Semi Finals and the last chance for a coveted spot in the Grand Finals.

Tonight on Australian Ninja Warrior is the first Stage of the 2021 Grand Final, only Ninjas who rise to the challenge and hit the buzzer within the time limit.

It's Stage 2 of the Grand Final and the biggest night in Australian Ninja Warrior's history. Ten elite Ninjas have made it through Grand Final Stage 1.