With Season 19 of "America's Got Talent" coming, NBC has given fans a glimpse of what to expect in the new season. In the teaser trailer, the judges are continually blown away, with even the hard-to-impress Simon Cowell commenting, "We're seeing things genuinely I've never seen in my life. "America's Got Talent" Season 19 premieres Tuesday, May 28 at 8 p.m. ET on NBC. See the teaser trailer here.