Complex sentence: At the Mayfield Festival, he chases after the boy who stole his bike and uses a concession stand to block his way and he ends up flying into a table of pies and slides down it with his face covered in pie and Beaver gets his bike back.
Split into simpler sentences: At the Mayfield Festival, he encounters the boy who stole his bike and chases after him. Beaver uses a concession stand to block way of the boy's bike and he ends up flying into a table of pies and slides down it with his face covered in pie and Beaver gets his bike back.