America's Got Talent's live shows will begin Tuesday, August 15 from 8-10 PM ET/PT, and the live twelfth-season results will start airing on Wednesday, August 16 from 8-9PM ET/PT.
America's Got Talent has reigned as the No. 1 most-watched summer reality series for all of its 11 seasons on TV.
As for American Ninja Warrior, in addition to Iseman's return, Akbar Gbajabiamila and co-host Kristine Leahy will also be back.
The competition reality series follows competitors as they tackle a series of challenging obstacle courses in both city qualifying and city finals rounds across the country. Those that successfully complete the finals course in their designated region move on to the national finals round held in Las Vegas.
Once in the finals, the competitors must face a daunting four-stage course modeled after Mount Midoriyama course in Japan. Per usual, the winner will take home a grand prize of $1 million.
Season 6 of American Ninja Warrior will film in Los Angeles, CA; San Antonio, TX; Daytona Beach, FL; Kansas City, MO; Cleveland, OH; and Denver, CO, before heading to Las Vegas.
Last year, American Ninja Warrior delivered its most-watched season ever, averaging 7.2 million viewers, according to the network.