'America's Got Talent' Week 4, Night 1

This week, AGT made some bold statements straight out of the gate, promising the most dangerous acts yet -- and even giving us a sneak peek at an ambulance. So was Austin, Texas, the daredevil stop we were led to believe? Yes ... and no. There were plenty of edge-of-your-seat moments, but just as many bad singers, delusional dancers, and head-shaking stunt acts involving nothing more than a hammer and darts being thrown at someone. Let's take a look at the night's standouts.

Most Surprising: The Human Cannonball

For truly dangerous acts, conditions must be perfect, buthuman cannonball David Smith wouldn't be deterred by thunder, wind, and rain.There was a brief moment when the crowd feared the worst, but that ambulance we were promised ultimately stayed put.

The Soulful Soldier

Tim Poe, a 35-year-old military veteran, has a story tailor-made for TV. After surviving a grenade attack and suffering brain damage, he developed a stutter, and his speech therapist told him to sing in the shower. The therapy revealed a soulful, husky voice that America won't be able to get enough of.

The Balancing Brothers

When you're talking about a precarious balancing act, you expect to hear that the performers have been practicing nonstop for months. But the Bandaz Brothers have been retired for years and only got back together two weeks ago. The act had some shaky moments, but they just added to the suspense.

Musical Etch-a-Sketch

Every once in a while, AGT gets an act that defies classification, as it did with 64-year-old Joe Castillo, who draws pictures in the sand to a musical soundtrack. After he rallied the audience with a patriotic theme and a recording of "God Bless the USA," he received a pass to the next round.