 The Simpsons family attends a monster truck rally featuring Truck @-@ o @-@ Saurus , a giant robotic dinosaur which ultimately crushes the Simpson family car . The rally 's grand finale features a death @-@ defying stunt by " the world 's greatest daredevil " , Lance Murdock . Despite the fact that the act leaves Murdock badly hurt and hospital @-@ bound , Bart is enamored by his performance and dreams of becoming a daredevil . Bart quickly injures himself during his first skateboard stunt by trying to jump over the family car . At the hospital , Dr. Hibbert shows Bart a ward full of children who have been hurt from attempting stunts . Nonetheless , Bart is persistent and continues to pursue his daredevil interest by jumping over a swimming pool and Homer on his hammock . On a class trip to Springfield Gorge , Bart announces that on Saturday , he will jump the gorge on his skateboard . Lisa talks Bart into visiting the hospital to see Murdock , hoping that the daredevil will talk him out of the dangerous stunt . Unexpectedly , however , Murdock encourages Bart to continue on his legacy . Bart plans to do it against the wishes of Homer , who insists that it is too dangerous . 
