2015

All events that happened in 2015.

January

 * 4th: "The Man Who Came to Be Dinner" aired for the first time.
 * 10th: The The Simpsons MythBusters special aired for the first time.
 * 11th: "Bart's New Friend" aired for the first time.
 * 25th: "The Musk Who Fell to Earth" aired for the first time.

February

 * 3rd: Simpsons Comics Clubhouse was released.
 * 8th: "Walking Big & Tall" aired for the first time.
 * 15th: "My Fare Lady" aired for the first time.
 * 27th: Leonard Nimoy, actor and guest star, died.

March

 * 1st: "The Princess Guide" aired for the first time.
 * 8th: "Sky Police" aired for the first time.
 * 8th: Sam Simon, co-creator and developer of The Simpsons, died.
 * 15th: "Waiting for Duffman" aired for the first time.
 * 17th: Lisa Simpson's Guide to Geek Chic was released.

April

 * 7th: Bart Simpson Blastoff was released.
 * 19th: "Peeping Mom" aired for the first time.
 * 26th: "The Kids Are All Fight" aired for the first time.

May

 * 2nd: Bongo Comics Free-For-All 2015 is released on Free Comic Book Day.
 * 3rd: "Let's Go Fly a Coot" aired for the first time.
 * 10th: "Bull-E" aired for the first time.
 * 14th: B. B. King, guitarist on The Simpsons Sing the Blues, died.
 * 17th: "Mathlete's Feat" aired for the first time.
 * "Season 26" ended.

July

 * 15th: Neff Headwear released a The Simpsons line of clothing.
 * 18th: Alex Rocco, actor and guest star, died.
 * 28th: Rusty Nails, the inspiration for Krusty the Clown, died.

August

 * 13th: Richard Manginsay, character layout artist and assistant director, died.
 * 22nd: Merl Reagle, crossword constructor and guest star, died.

September

 * 8th: Grampa Simpson's Guide to Aging was released.
 * 27th: "Every Man's Dream" aired for the first time.
 * "Season 27" started.

October

 * 4th: "'Cue Detective" aired for the first time.
 * 11th: "Puffless" aired for the first time.
 * 18th: "Halloween of Horror" aired for the first time.
 * 22nd: Murphy Anderson, comic inker, died.
 * 25th: "Treehouse of Horror XXVI" aired for the first time.

November

 * 8th: "Friend with Benefit" aired for the first time.
 * 22nd: "Lisa with an "S"" aired for the first time.
 * 26th:, German voice of Homer Simpson, died.

December

 * 6th: "Paths of Glory" aired for the first time.
 * 13th: "Barthood" aired for the first time.