January 17, 2018 8:49 pm American Ninja Warrior Celebrates 10 Seasons NBC’s hit “American Ninja Warrior” celebrates 10 seasons on the air. The show’s hosts talk about what makes the program so attractive to viewers. US & World Videos 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters 1:15 Fights break out at dueling pro-Palestinian, pro-Israel protests at UCLA 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 4:52 NewsConference: California to help Arizona doctors with abortions