S01E05 Bart the General
Lisa is making cupcakes for her teacher and her family is trying to take one. When Bart and Lisa go to school, the most feared bully, Nelson Muntz, and his goons appear and eat all of Lisa's cupcakes. Bart gets in a fight with him and gets beat up, trying to think of ways of how to beat Nelson. Bart goes to his grandpa for help, and they try to get some of Bart's friends to rebel against Nelson and his goons. Bart leads his team to fight Nelson and his goons and teach him a lesson.