>> we went to the rodeo to watch the jonas brothers. i'm a big jonas brothers fan. >> and they're off. >> when the barrettes pull into the parking lot, the rodeo's chuck wagon event is getting under way inside the stadium. >> if you've ever been close to these chuck wagons when they're racing, it's rumbling, there's a lot of noise, the horses are making noise, the rigs are jumping up and down and rattling. >> backstage, a bull named hardball is in his holding pen. >> hardball is a bucking bull. that night he was scheduled what we call a re-ride bull. on any given night, a cowboy may get a re-ride because of something, a bull doesn't buck or a horse falls down or it slams into the chute coming out. >> as the chuck wagons roar across the stadium, hardball's startled. >> he ran forward into a gate that was in front of him, pushed it forward and allowed a pin to come out of a gate that was beside him. >> the gate unlocks and hardball