Twelve showstopping acts performed in the semifinals.
(Watch the moment he was overcome with emotion about 3:15 into the video below.)
“I can’t thank you enough for this,” Mandel told Sky Elements.

‘America’s Got Talent’ judges Howie Mandel and Simon Cowell got emotional Wednesday.Trae Patton/NBCU Photo Bank/NBCUniversal via Getty; Trae Patton/NBC via Getty
“And I’m looking at your family members…
There isn’t an act that just moves your heart this much, and you just broke us.”
The other two judges,Sofia VergaraandHeidi Klum, were just as affected.
“I mean, who knew that drones could make you so emotional?”
“That was a surprise.
That was so beautiful!
That was, like, heartfelt, and I mean, I don’t even know what to say.
What a beautiful, beautiful job.”
Meanwhile, Klum said, “I just want to give you a big hug right now.”
Comedian Learnmore Jonasi and dance group Brent Street made their cases too.