American Ninja Warrior

NBC | 8:00 pm

Season 14 of this hit athletic competition series marks the return of the lowered age requirement, which opens the door to a new era of competitors as young as 15. Hosts Matt Iseman, Akbar Gbajabiamila and Zuri Hall are back to call the early rounds in San Antonio and Los Angeles, with the national finals in Las Vegas, where a top prize of $1 million goes to the winner who can conquer all four stages.