Lisa's Substitute (The Simpsons)

Lisa's Substitute is the nineteenth episode of the second season of The Simpsons, and the 32nd episode overall.

Synopsis
Lisa has a new substitute teacher, which makes her question her life.

Why It Rocks

 * 1) Mr. Bergstrom is an amazing character.
 * 2) The entire episode is heartwarming, especially when Mr. Bergstrom leaves.
 * 3) It is an amazing character development episode for Homer, as at the end of the episode he cheers up all three of his kids.
 * 4) The subplot with Bart running for student council president is also really interesting.
 * 5) It is also a great character development episode for Lisa.

Reception

 * It holds a rating of 8.6/10 on IMDB.