From World Taekwondo Demonstration Team, to Sofie Dossi, to Piff The Magic Dragon, revisit some of the most iconic Golden Buzzer moments of all time! » Watch the latest from America's Got Talent: https://www.youtube.com/agt » Get The America's Got Talent App: http://bit.ly/AGTAppDownload » Subscribe for More: http://bit.ly/AGTSub » Watch on NBC & Peacock: https://pck.tv/3cCQGhH Let's get this party started with AGT's landmark 20th season! Iconic judges Simon Cowell, Howie Mandel and Sofía Vergara join much-loved host Terry Crews to welcome back superstar Mel B for a celebratory new season of edge-of-your-seat excitement! AMERICA'S GOT TALENT ON SOCIAL Like AGT: https://www.facebook.com/agt Follow AGT: https://twitter.com/agt AGT Instagram: http://instagram.com/agt Find America's Got Talent trailers, full episode highlights, previews, promos, clips, and digital exclusives here. NBC ON SOCIAL: YouTube: http://www.youtube.com/nbc Twitter: http://Twitter.com/NBC Facebook: http://Facebook.com/NBC Instagram: http://instagram.com/nbc Golden Buzzers That Had Us Speechless | AGT https://youtu.be/z-7caeycq0w America's Got Talent http://www.youtube.com/user/americasgottalent #AGT #AmericasGotTalent