Complex sentence: After Scooby and Shaggy fall on the ground after going through a catapult, they start getting tired of doing the same routine, and decide to become real movie stars ("The Name to Remember is Scooby-Doo").
Split into simpler sentences: After Scooby and Shaggy fall on the ground after going through a catapult. They start getting tired of being on the show, and they dream of being real stars ("The Name to Remember is Scooby-Doo").