Watch American Ninja Warrior season 7 episode 16 online for free. It’s the final night of the American Ninja Warrior Las Vegas finals where the top finishers from the regional finals tackle the final three stages of Mount Midoriyama. Competitors who survive Stage 1 will take on Stage 2, and possibly Stage 3 and 4. Stage 2 has been redesigned and includes a brand new obstacle, Roulette Row. Stage 3 features the new Psycho Chain and Area 51 obstacles. Lastly, if any competitors conquer both stages, they will attempt Stage 4 with a cash prize of $1,000,000 at stake and the title of American Ninja Warrior.