1997

All events that happened in 1997.

January

 * 5th: "El Viaje Misterioso de Nuestro Jomer" aired for the first time.
 * 11th: Ed DeMattia, an animator, died.
 * 12th: "The Springfield Files" aired for the first time.
 * 19th: "The Twisted World of Marge Simpson" aired for the first time.

February

 * 2nd: "Mountain of Madness" aired for the first time.
 * 7th: "Simpsoncalifragilisticexpiala(Annoyed Grunt)cious" aired for the first time.
 * 9th: "The Itchy & Scratchy & Poochie Show" aired for the first time. The Simpsons surpasses The Flintstones in the number of episodes produced for a prime-time animated series.
 * 16th: "Homer's Phobia" aired for the first time.
 * 23rd: "Brother from Another Series" aired for the first time.
 * 26th: Andy Houts, an production assistant, died.

March

 * 2nd: "My Sister, My Sitter" aired for the first time.
 * 16th: "Homer vs. the Eighteenth Amendment" aired for the first time.

April

 * 6th: "Grade School Confidential" aired for the first time.
 * 13th: "The Canine Mutiny" aired for the first time.
 * 20th: "The Old Man and the Lisa" aired for the first time.
 * 27th: "In Marge We Trust" aired for the first time.
 * 28th: The Dark Secrets of the Simpsons was released on VHS for the United Kingdom.

May

 * 4th: "Homer's Enemy" aired for the first time.
 * 11th: "The Simpsons Spin-Off Showcase" aired for the first time.
 * 18th: "The Secret War of Lisa Simpson" aired for the first time. Season 8 ended. Phyllis Craig, an ink and paint supervisor, died.
 * 29th: George Fenneman, an announcer and guest star, died.

September

 * 2nd: The Simpsons: Virtual Springfield was released.
 * 21st: Season 9 started. "The City of New York vs. Homer Simpson" aired for the first time.
 * 28th: "The Principal and the Pauper" aired for the first time.
 * 29th: The Simpsons: Springfield Murder Mysteries was released on VHS for the United Kingdom.

October

 * 19th: "Lisa's Sax" aired for the first time.
 * 26th: "Treehouse of Horror VIII" aired for the first time.

November

 * 2nd: "The Cartridge Family" aired for the first time.
 * 3rd: The Simpsons: Crime and Punishment was released on VHS for the United Kingdom.
 * 9th: "Bart Star" aired for the first time.
 * 16th: "The Two Mrs. Nahasapeemapetilons" aired for the first time.
 * 23rd: "Lisa the Skeptic" aired for the first time.

December

 * 7th: "Realty Bites" aired for the first time.
 * 21st: "Miracle on Evergreen Terrace" aired for the first time.
 * 29th: Sunni Walton, someone with no real link to The Simpsons, died. ("This Little Wiggy" was dedicated to him)