American Ninja Warrior

NBC | 8:00 pm

Hosts Matt Iseman, Akbar Gbajabiamila and Zuri Hall return to call the action as Season 13 premieres, with the competition unfolding in Seattle, Los Angeles and Las Vegas for the finals. The season features more than 400 competitors, with the age limit to compete being lowered to 15 for the first time in this show's history. A top prize of $1 million goes to the winner if he or she can conquer all four stages at the National Finals in Vegas.