2005

All events that happened in 2005.

January

 * 16th: "Midnight Rx" aired for the first time.
 * 23rd: Johnny Carson, a TV host, died.
 * 30th: "Mommie Beerest" aired for the first time.

February

 * 6th: "Homer and Ned's Hail Mary Pass" aired for the first time.
 * 20th: "There's Something About Marrying" aired for the first time.

March

 * 6th: "On a Clear Day I Can't See My Sister" aired for the first time.
 * 13th: "Goo Goo Gai Pan" aired for the first time.
 * 20th: "Mobile Homer" aired for the first time.
 * 21st: The Complete Fifth Season is released on DVD for Ireland and the United Kingdom.
 * 23rd: The Complete Fifth Season is released on DVD for the Australia.

April

 * 3rd: "The Seven-Beer Snitch" aired for the first time.
 * 17th: "Future-Drama" aired for the first time.
 * 18th: The Simpsons: Crime and Punishment was released on DVD for the United Kingdom. The Simpsons: Springfield Murder Mysteries was released on DVD for the United Kingdom. The Simpsons: Raiders of the Lost Fridge was released on DVD for the United Kingdom. Viva Los Simpsons was released on DVD for the United Kingdom. The Simpsons: The Last Temptation of Homer was released on DVD for the United Kingdom.

May

 * 1st: "Don't Fear the Roofer" aired for the first time. "The Heartbroke Kid" aired for the first time.
 * 4th: The Simpsons: Crime and Punishment was released on DVD for Australia. The Simpsons: Springfield Murder Mysteries was released on DVD for Australia. The Simpsons: Raiders of the Lost Fridge was released on DVD for Australia. Viva Los Simpsons was released on DVD for Australia. The Simpsons: The Last Temptation of Homer was released on DVD for Australia.
 * 7th: Bongo Comics Free-For-All 2005 was released on Free Comic Book Day.
 * 8th: "A Star Is Torn" aired for the first time. "Thank God It's Doomsday" aired for the first time.
 * 15th: "Home Away from Homer" aired for the first time. "The Father, the Son and the Holy Guest Star" aired for the first time. Season 16 ended.
 * 17th: The Simpsons: Bart Wars was released on DVD for the United States.
 * 19th: Henry Corden, actor and guest star, died.

June

 * 6th: Anne Bancroft, actress and guest star, died.
 * 14th: Barrington T. Bunce, a layout artist, died.

July

 * 6th: The Simpsons Around the World in 80 D'ohs was released on DVD for the United Kingdom.

August

 * 16th: The Complete Sixth Season is released on DVD for North America.

September

 * 2nd: Bob Denver, actor and guest star, died.
 * 11th: Season 17 started. "The Bonfire of the Manatees" aired for the first time.
 * 15th: Simpsonspedia started.
 * 18th: "The Girl Who Slept Too Little" aired for the first time.
 * 24th: Wikisimpsons started.
 * 25th: "Milhouse of Sand and Fog" aired for the first time.
 * 28th: The Complete Sixth Season is released on DVD for Australia.

October

 * 17th: The Complete Sixth Season is released on DVD for the United Kingdom.

November

 * 6th: "Treehouse of Horror XVI" aired for the first time.
 * 13th: "Marge's Son Poisoning" aired for the first time.
 * 20th: "See Homer Run" aired for the first time.
 * 27th: "The Last of the Red Hat Mamas" aired for the first time.

December

 * 11th: "The Italian Bob" aired for the first time.
 * 13th: The Complete Seventh Season is released on DVD for North America.
 * 18th: "Simpsons Christmas Stories" aired for the first time.

Unchronicled events

 * Jamie O'Brien, a layout artist, died.