Sam Barber faces the Doorknob Drop in the Heats | Australian Ninja Warrior 2020 

Sam Barber's family proudly watches on as he tackles the course on Australian Ninja Warrior 2020.
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Australian Ninja Warrior moves to Melbourne and is taken to a new level. Ninjas come face to face with mind-blowing new obstacles and for the first time a winner will be crowned. Join hosts Ben Fordham, Rebecca Maddern and Freddie Flintoff.
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