29 years ago today, Mr. Burns had a ketchup problem.

#TheSimpsons episode “The Old Man and the Lisa” first aired April 20, 1997.

29 years ago today, April 20, 1997, #TheSimpsons episode “The Old Man and the Lisa” first aired on Fox.

29 years ago today, April 19, 1997, in one of the most unexpected crossovers in animation history, Homer Simpson appeared on the animated series Duckman on the USA Network. #TheSimpsons

28 years ago today, April 19, 1998, #TheSimpsons episode “Girly Edition”first aired on Fox.

39 years ago today, we first met #TheSimpsons! The short “Good Night” (aka “Good Night Simpsons”) first aired on The Tracey Ullman Show on Fox on April 19, 1987. #WorldSimpsonsDay

31 years ago today, Jasper Beardley became a substitute teacher at Springfield Elementary.

#TheSimpsons episode “The PTA Disbands!” first aired April 16, 1995.

31 years ago today, April 16, 1995, #TheSimpsons episode “The PTA Disbands!” first aired on Fox.

37 years ago today, April 16, 1989, #TheSimpsons short “Bart of the Jungle” first aired on The Tracey Ullman Show on Fox.

33 years ago today, April 15, 1993, #TheSimpsons episode “The Front” first aired on Fox.

36 years ago today, April 15, 1990, #TheSimpsons episode “The Crepes of Wrath” first aired on Fox.

On this day in 1996, “22 Short Films About Springfield” premiered. The original Fox promo here features a deleted scene with Krusty and Ralph that was cut from the final episode. #TheSimpsons

32 years ago today, April 14, 1994, #TheSimpsons episode “Burns' Heir” first aired on Fox.

30 years ago today, Principal Skinner purchased fast food to disguise as his own cooking at an unforgettable luncheon with Superintendent Chalmers.

#TheSimpsons episode “22 Short Films About Springfield” first aired April 14, 1996.

29 years ago today, April 13, 1997, #TheSimpsons episode “The Canine Mutiny” first aired on Fox.

On this day, April 12, 1991, The Simpsons Rainy Day Fun Book was published by @harpercollins.bsky.social. #TheSimpsons

28 years ago today, Homer Simpson created his breakout postmodern sculpture “Le Grille.”

#TheSimpsons episode “Mom and Pop Art” first aired April 11, 1999.

28 years ago today, April 11, 1999, #TheSimpsons episode “Mom and Pop Art” first aired on Fox.

Guest-starring Jasper Johns as himself and Isabella Rossellini as Astrid Weller.

35 years ago today, April 11, 1991: #TheSimpsons episode “Brush with Greatness” first aired on Fox.

31 years ago today, Mr. Burns sang about his gorilla-chest vest and other clothes made from animals.

#TheSimpsons episode “Two Dozen and One Greyhounds” first aired April 9, 1995.

Dan Castellaneta & Deb Lacusta Talk About Being Real Artists vs Jay’s Fake Art YouTube video by Don't Be Alone with Jay Kogen

Dan and Deb JUST talked about this script on @jaykogen.bsky.social's excellent podcast "Don't Be Alone with Jay Kogen" www.youtube.com/watch?v=e3Mc...

26 years ago today, April 9, 2000, #TheSimpsons episode “Days of Wine and D'oh'ses” first aired on Fox. Written by Dan Castellaneta and his wife Deb Lacusta, this was the first episode written by a cast member of the show.

31 years ago today, April 9, 1995, #TheSimpsons episode “Two Dozen and One Greyhounds” first aired on Fox.

34 years ago today, April 9, 1992, #TheSimpsons episode “Black Widower” first aired on Fox.

29 years ago today, Mrs. Krabappel and Principal Skinner were in the closet making babies and Ralph Wiggum saw one of the babies and the baby looked at Ralph.

#TheSimpsons episode “Grade School Confidential” first aired April 6, 1997.

29 years ago today, April 6, 1997, #TheSimpsons episode “Grade School Confidential” first aired on Fox.

28 years ago today, April 5, 1998: #TheSimpsons episode “The Trouble with Trillions” first aired on Fox.

35 years ago today, April 4, 1991, Simpsons Illustrated #1 was published by Welsh Publishing.

Produced by Matt Groening, Bill Morrison, Steve and Cindy Vance, it ran for ten issues from 1991 to 1993 and led to the establishment of the Bongo Comics Group.

27 years ago today, April 4, 1999, #TheSimpsons episode “Simpsons Bible Stories” first aired on Fox.

33 years ago today, April 1, 1993, #TheSimpsons episode “So It's Come to This: A Simpsons Clip Show” first aired on Fox. This was the first Simpsons clip show.

33 years ago today, Bart Simpson executed his most epic April Fool's Day prank on Homer.

#TheSimpsons episode “So It's Come to This: A Simpsons Clip Show” first aired April 1, 1993.