Lisa outshines Krusty as his new assistant and steals the spotlight from him, earning her own TV show. Meanwhile, Homer and Bart spend some quality time together with their new coin collecting hobby.

After Homer's mother, Mona, passes away unexpectedly, Homer feels guilty for not getting the chance to tell her how much he really loved her and embarks on a mission to fulfill her final wishes.

Lisa makes a documentary of her own family for a school project, and the film is so impressive that Superintendent Chalmers and Principal Skinner push her to enter the documentary in the Sundance Film Festival.

Bart joins the 4-H club and falls in love with a cow named Lou, but when he finds out that Lou is destined for the slaughterhouse Bart gives the cow to Mary, a fellow 4-H member, and her father mistakes the cow for a dowry. Homer and Marge come to the rescue to try and free Bart from his marriage agreement.

The Simpsons harbor Lurleen Lumpkin in their home after she becomes a fugitive from the Springfield authorities for not paying her taxes. While Lurleen stays at the Simpsons', Marge tracks down Lurleen's deadbeat father and he reunites with his daughter just long enough to steal one of her new songs and sell it to The Dixie Chicks.

Lisa enrolls in a ballet class and develops an addiction to secondhand smoke after being exposed to it by her smoking ballet classmates. Meanwhile, Homer lets Bart in on his secret beef jerky manufacturing operation.

Bart and Lisa pull a prank on Martin Prince that goes terribly wrong and they become burdened with guilt over Martin's untimely death. Meanwhile, Marge hires an investigative television show to follow Homer around after she suspects him of cheating on his diet.

Bart teams up with a new kid at school, Donny, to pull some pranks, but when the hijinks go haywire, Groundskeeper Willie tips Bart off to the fact that there might be a rat amongst his friends. Meanwhile, Homer becomes attached to a loaner vehicle while his is in the shop being repaired.

After being stranded in a Tunnel of Love ride at a carnival, Homer, Marge and Bart pass the time by sharing some of the greatest love stories of all time.

Homer and Marge tell the children a chapter of their relationship that involves Marges going to college and Homers inventing "grunge" music.

In an effort to raise money with a bond issue Mayor Quimby moves up election day, making Springfield's primary election the first in the nation causing the media, candidates and political pundits to descend in the city.

Homer wakes up to find himself outdoors and covered in snow, without memory of the night before. When he arrives home, he finds everyone missing. Seeking help from Moe and Professor Frink, Homer tries to piece together his memory to find out what happened to him.

Sideshow Bob returns, this time with his entire family, and sets in motion a complex diabolical scheme to finally kill Bart.

Marge starts up a new women-only gym in Springfield and Homer frets about losing her after she becomes a highly successful businesswoman. Meanwhile, Coolsville, a new comic book shop, opens up in Springfield and puts Comic Book Guy out of business.

After Milhouse's parents are lost at sea and assumed dead, he is forced to toughen up. His new confidence and personality help him become cooler than Bart. Meanwhile, Homer gets into trouble with Marge, when he can't remember her eye color.

The 18th installment of the Treehouse of Horror series.

During a bank robbery, Marge convinces Dwight, the bank robber, to turn himself in with the assurance that she will visit him once in jail. Marge never makes good on her promise and things get interesting when Dwight escapes from jail and comes looking for Marge.

Homer starts working in the towing business, but gets into some trouble when the town sets up Homer to look like he is towing on a rival's turf after he becomes greedy with power. Meanwhile, Marge signs up for a counseling program that teaches parents how to raise young children to become independent, but the program works a little too well on Maggie.

While receiving treatment for an injured back at the hospital, Homer discovers that he has beautiful opera voice. Even though Homer must sing while lying on his back for his voice to sound operatic, Mr. Burns hires him to sing at the Springfield Opera House, where he quickly becomes a star. Through his newfound stardom, Homer develops a large throng of fans including the lovely Julia, an obsessive and dangerous stalker.

After Homer saves Mr. Burns' life, he is rewarded with a trip in Mr. Burns' private plane. A depressed Homer realizes he will never again receive a chance to fly in a luxurious private jet, so Marge hires Homer a life coach to help get him out of his rut.