America's Got Talent has boasted some big acts during their 10-year talent search, but some of the more memorable contestants get buzzed off pretty quickly.
In a lead up to AGT's milestone two-hour 10th anniversary special, airing Wednesday at 8 p.m. ET on NBC, ET has an exclusive video of some of the infamous acts that have left audiences laughing.
WATCH: How America’s Got Talent Star Lindsey Stirling Proved Piers Morgan Wrong With a Violin
From stage falls to blunders on bikes, you never know what to expect when a contestant hits the stage! Check out the faces of judges Howard Stern, Heidi Klum, Mel B, Howie Mandel and even former judge Piers Morgan during some of these performances!
Prior to Wednesday's special, the AGT competition continues tonight with Michael Buble showing up to help guest judge.
WATCH: Heidi Klum Gets Reporter to Strip Down to His Underwear
What's your favorite blooper from the wildly popular talent show?
Another Must-See moment from this season of AGT had to be when host Nick Cannon awkwardly kissed an audience member. Check it out: