America's Got Talent: Extreme

Catch up with all the winners.

Remember when Grace VanderWaal completely floored the Judges? 

The America's Got Talent Judge says he's back on his bike! 

We revisit 10 hilarious stand-up sets from the show's history.

It's a tall order!

"There are so many ways to define the word 'extreme,' and I think this, for me, comes under spectacular," the Judge said.

The magician is the only Act in history to win the show twice consecutively.

With this group, it's always a party.

The production secrets of NBC's most heart-pumping show, revealed.

Leake was the first spoken word poet to perform on the show.