Mr. Burns replaces all of his employees with robots—with one exception: Homer. This raises the unemployment rate in Springfield significantly, and leads to much misery. And it hits home to Homer, too, when robots attack him.

Following a traumatic incident, Homer’s bed-wetting problem worsens, and his family decide to infiltrate his dreams to get to its subconscious source. And in Homer’s dreams is where his late mother (voice of Glenn Close) resides

Bart plasters unflattering graffiti images of Homer all over Springfield. They catch the eyes of established street artists Shepard Fairey, Ron English, Kenny Scharf and Robbie Conal, who catch him in the act, and they invite him to exhibit his work at a gallery show of his own. Meanwhile, a new health-food superstore threatens to put the Kwik-E-Mart out of business.

In the series’ 500th episode, the Simpsons are banished from Springfield, thanks to Homer’s drunken antics, Bart’s shenanigans and Lisa’s annoying environmental activism, and end up in an off-the-grid, post-apocalyptic encampment called “The Outlands.” Alison Krauss performs the series’ theme song

On Valentine’s Day, Lisa and an intellectual young man named Nick share a fairy-tale romance and make a secret getaway. Meanwhile, Jamie Hyneman and Adam Savage (“Mythbusters”) inspire Bart and Milhouse to bust Springfield Elementary School myths.

Moe’s beloved bar rag, loomed as an ornate medieval tapestry, recounts its millennium-spanning life story. And when the rag goes missing, the supposedly friendless Moe realizes that he has more friends than he thought. Meanwhile, Bart begs Milhouse for forgiveness after they get into a fight

Lisa, the creator of a social network she calls SpringFace, explains why she came to regret it. Meanwhile, Patty and Selma compete against the Winklevoss twins (voice of Armie Hammer) in a 2012 Olympic competition.

After his videotaped rant about airport security goes viral, Homer lands a radio talk show, and considerable political influence. Then he endorses rock star Ted Nugent (who provides his own voice) for president.

Flash-forward to 2041: Bart and Lisa are heading home for the holidays with their own kids in tow. And when they turn to Marge and Homer for parenting advice, they come to realize that the apple doesn’t fall far from the Christmas tree.

After Krusty’s show is canceled and his agent dumps him, the Simpsons introduce him to another agent (voice of Joan Rivers), who turns out to be the agent who discovered him years ago