| S20E01 | #421 | Sex, Pies and Idiot Scrapes | 28/09/2008 | | |
| S20E02 | #422 | Lost Verizon | 05/10/2008 | | |
| S20E03 | #423 | Double, Double, Boy in Trouble | 19/10/2008 | | |
| S20E04 | #424 | Treehouse of Horror XIX | 02/11/2008 | | |
| S20E05 | #425 | Dangerous Curves | 09/11/2008 | | |
| S20E06 | #426 | Homer and Lisa Exchange Cross Words | 16/11/2008 | | |
| S20E07 | #427 | Mypods and Boomsticks | 30/11/2008 | | |
| S20E08 | #428 | The Burns and the Bees | 07/12/2008 | | |
| S20E09 | #429 | Lisa the Drama Queen | 25/01/2009 | | |
| S20E10 | #430 | Take My Life, Please | 15/02/2009 | | |
| S20E11 | #431 | How the Test Was Won | 01/03/2009 | | |
| S20E12 | #432 | No Loan Again, Naturally | 08/03/2009 | | |
| S20E13 | #433 | Gone Maggie Gone | 15/03/2009 | | |
| S20E14 | #434 | In the Name of the Grandfather | 22/03/2009 | | |
| S20E15 | #435 | Wedding for Disaster | 29/03/2009 | | |
| S20E16 | #436 | Eeny Teeny Maya Moe | 05/04/2009 | | |
| S20E17 | #437 | The Good, the Sad and the Drugly | 19/04/2009 | | |
| S20E18 | #438 | Father Knows Worst | 26/04/2009 | | |
| S20E19 | #439 | Waverly Hills, 9021-D'Oh | 03/05/2009 | | |
| S20E20 | #440 | Four Great Women and a Manicure | 10/05/2009 | | |
| S20E21 | #441 | Coming to Homerica | 17/05/2009 | | |