The Ninja Dentist is back.

Dr. Desiree Walker has a firm grasp on the competition, literally. The Lumberton, North Carolina dentist made her national-television debut on American Ninja Warrior, NBC’s extreme-obstacle challenge, which aired in June of 2014. The 35-year-0ld’s nemesis back then: her faltering grip on a rope, which led to what has been called by the show’s co-host Jenn Brown, […]