Episodes rated best and worst from each season:
1: Krusty Gets Busted/Homer's Night Out 2: The Way We Was/Bart's Dog Gets an F 3: Colonel Homer/Dog of Death 4: Marge vs. The Monorail/So It's Come to This: A Simpsons Clip Show 5: Cape Feare/Bart Gets An Elephant 6: Treehouse of Horror V/Another Simpsons Clip Show 7: Mother Simpson/Homerpalooza 8: You Only Move Twice/The Canine Mutiny 9: Lisa's Sax/The Two Mrs. Nahasapeemapetilons 10: Lisa Gets an A/Sunday Cruddy Sunday 11: Behind The Laughter/Beyond Blunderdome 12: Trilogy of Error/The Computer Wore Menace Shoes 13: I Am Furious Yellow/Homer the Moe 14: The Dad Who Knew Too Little/Large Marge 15: The Way We Weren't/Diatribe of a Mad Housewife 16: Thank God Its Doomsday/Mommie Beerest 17: Marge's Son Poisoning/Bonfire of the Manatees 18: Marge Gamer/Revenge is Best Served Three Times 19: Treehouse of Horror XVIII/That 90's Show 20: Gone Maggie Gone/Coming To Homerica 21: O Brother, Where Bart thou?/The Devil Wears Nada 22: Homer Scissorhands/The Fool Monty 23: Holidays of Future Passed/Moe Goes From Rags To Riches 24: Adventures In Baby-Getting/Whiskey Business 25: Brick Like Me/White Christmas Blues 26: Bart's New Friend/The Musk Who Fell to Earth 27: Halloween of Horror/Every Man's Dream 28: There Will Be Buds/Moho House 29: Gone Boy/Throw Grampa from the Dane