Alone Again, Natura-Diddily

1 Beyond Blunderdome 2 Brother's Little Helper 3 Guess Who's Coming to Criticize Dinner? 4 Treehouse of Horror X 5 E-I-E-I-(Annoyed Grunt) 6 Hello Gutter, Hello Fadder 7 Eight Misbehavin' 8 Take My Wife, Sleaze 9 Grift of the Magi 10 Little Big Mom 11 Faith Off 12 The Mansion Family 13 Saddlesore Galactica 14 Alone Again, Natura-Diddily 15 Missionary: Impossible 16 Pygmoelian 17 Bart to the Future 18 Days of Wine and D'oh'ses 19 Kill the Alligator and Run 20 Last Tap Dance in Springfield 21 It's a Mad, Mad, Mad, Mad Marge 22 Behind the Laughter