Tonight is the final heat before the semi finals – 50 Ninjas are competing for the last 18 spots. And they will have to face some new obstacles to make it there.

Tonight is the first Semi Final if the Ninjas thought the heats were tough, they haven't seen anything yet!

It's the second of the three semi finals and 30 Ninjas will take their shot at glory. Only 7 can qualify for the Grand Final and a shot at conquering Mount Midoriyama.