In this episode, Bart catches a three-eyed fish named Blinky in the river by the nuclear power plant. Years later, a three-eyed fish was actually found in a reservoir in Argentina. The water in that reservoir was from a nuclear power plant.
A statue of David was placed in a local Springfield art museum; however, the citizens protested the statue because they though the nudity was obscene. In July 2016, Russian campaigners voted on whether or not to clothe a copy of the statue of David that was located in central St. Petersburg.
In this episode, Ringo Starr answers fan mail that was given to him decades ago. In September 2013, two Beatles fans in Essex received replies from Paul McCartney in regards to a letter and recording they sent to the Beatles over 50 years ago.
Two visiting German men tell Homer that they are from the land of chocolate. Homer then envisions a fantasy land where everything is made of chocolate. In 2013, Chocolate Happy Land opened in Shanghai, which features a 200 square meter castle made of 160 chocolate stands, chocolate bags, vases, jewelry, a chocolate recreation of the Terracotta Army, a chocolate Hello Kitty, mannequins wearing chocolate underwear and bikinis, and more.
Homer's half-brother, Herb, tried to invent a "baby translator" to help mothers understand their children. In 2009, a cry translator was designed to interpret sounds produced by babies. The cry translator was marketed by claiming that in three seconds, it will tell you the reason for your baby's crying.
In a parody of Siegfried & Roy, magicians are mauled by their white tiger during a casino performance. In October of 2003, Roy was actually attacked by one of their white tigers during a live performance. Fortunately he lived, but was severely injured.
Lunch Lady Doris uses "assorted horse parts" to make lunch for the students at school. In 2012, there was a horse meat scandal. Food Safety Authority of Ireland found horse DNA in over 1/3 of beef burger samples from food stores and ready meals.
Homer swings on a wrecking ball in this episode, similar to Miley Cyrus in her 2013 music video, "Wrecking Ball."
A voice recognition feature on an Apple product is unable to understand what Jimbo Jones wanted to say - he says Beat up Martin, and it changes to Eat up Martha. In 2011, with the introduction of Siri, many Apple products incorrectly translated (and still do) what people are saying.
Lisa's future fiancé owns a smartwatch that he is able to talk into. Apple developed a smartwatch, such as the one in the episode, that was released in April of 2015.
The Simpsons use what they call “picture phones” to communicate with each other. Essentially, they are FaceTiming (an Apple product feature released in 2010) with each other.
In Lisa’s fiancé’s dorm room, there is a poster for the Rolling Stones Steel Wheelchair Tour 2010. Currently, the band is still touring, despite being in their late 60s and 70s. Their most recent tour was in 2016.
When Lisa is in London visiting her fiancé, a skyscraper can be seen behind the Tower Bridge. This skyscraper looks very similar to The Shard (constructed in 2009), and is in the correct location.
Librarians in Lisa’s future are replaced with robots. Over 20 years later, University of Aberystwyth robotics students built a walking library robot and Singapore began testing robot librarians.
The residents of Shelbyville stole an entire lemon tree from Springfield. Bizarrely, in 2013, an entire lemon tree was stolen from a Houston, Texas neighborhood.
TV evangelists worshipping “the all-mighty dollar.” In 2013, Pope Francis attacked global economics for worshipping a “god of money.”
The intercom to a gated mansion exactly resembles the first iPod. (15 years after episode aired)
Lisa holds the front page of a newspaper that shows the skyline of New York and a price of $9, making the cover look like it says 9/11. Theorists thing that this paper resembling 9 next to the Twin Towers (looks like 11) is a forewarning on the 2001 attacks.
Marge tries to get Bart out of bed with a book called Curious George and the Ebola Virus, which had drawings of dead bodies and blood. Although Ebola was discovered 1996 (a year prior to the episode being released), the Ebola breakout began in 2014, which was more similar to the theme of the book Marge shows Bart.
Springfield kids were given a “yard work simulator” that came with virtual reality headsets. In 2009, FarmVille, a video game were users have to tend to a farm, was released on Facebook and played by millions.
Homer and Bart team up and steal grease from the school cafeteria, but Groundskeeper Willie stops them because he says that grease is his retirement plan (discarded cooking oil can be turned into usable engine fuel). In real life, oil prices rose and grease thieves actually became a big US issue – once over 1100 liters of grease was stolen from a Burger King in CA.
Homer becomes an inventor and is pictured in front of a complicated equation. This equation predicts the mass of the Higgs boson particle, which was predicted in 1964 by Professor Peter Higgs and 5 other physicists, but it wasn’t until 2013 that scientists discovered proof of the Higgs boson in a $13 billion experiment.
Homer creates a tomato, tobacco plant hybrid (tomacco). In Japan in 2013, deformed fruit was growing by a nuclear power plant; Simpsons fan Rob Baur in 2003 created his own tomacco.
In a vision Bart is shown of the future, Lisa is president elect and Donald Trump is the current president and has bankrupted America. Donald Trump is currently the president elect.
Bart, Milhouse, Nelson, and Ralph form a boy band named Party Posse and make a song called Drop da Bomb. In their music video, they drop a bomb on an unknown Arab country, and the Syrian Opposition flag is prominently shown in the video. In 2011, civil unrest began in Syria, and in September 2014, the US launched airstrikes in Syria.
Mick and Keith of The Rolling Stones gave Homer a Guitar Hero jacket. In 2005, Guitar Hero was created as a video game.
An elderly chimp at the zoo pulls Bart into the cage and takes him under her wing, but he is saved by Rod Flanders and the chimp remains unharmed. Similarly/conversely, in 2016, Harambe was shot at the Cincinnati Zoo after a boy entered his enclosure.
Homer is paid to kill Prince because an agent says “unfortunately there are certain stars that don’t do what we want.” Before Prince died, he openly talked about the conspiracy suggesting that the US government sprayed chemicals on the population as a form of human population control. Theorists think Prince was murdered because of his opinions on chemtrails.
A voting machine changes Homer’s vote. In 2012, a PA voting machine was removed because it was switching votes for Obama into votes for Romney.
Milhouse bets that MIT economics professor Bengt R. Holström was Nobel prize-worthy. In 2016, Holström won the Nobel Prize in economics.