You will watch The Simpsons Episode 219 Lisa’s Substitute online for free episodes with high quality. Online episode guide, The Simpsons Episode 219 Lisa’s Substitute Lisa’s Substitute When Ms. Hoover falls ill with a suspected case of Lyme disease, she is replaced by substitute teacher Mr. Bergstrom. Because of his unorthodox teaching methods, Lisa quickly takes a liking to him. Just as Lisa is about to ask Mr. Bergstrom over to her parents house for dinner, Ms. Hoover returns. Meanwhile, Bart runs for class president against Martin Prince, but loses due to the fact that nobody in the class voted, with the exception of Martin and one of his supporters.