Donald Trump's Presidency
In the episode "Bart to the Future" (aired in 2000), Bart Simpson envisions a future where Lisa Simpson becomes President and refers to "inheriting quite a budget crunch from President Trump."
Smartwatches
In the episode "Lisa's Wedding" (aired in 1995), set in the future, Lisa's fiancé is seen communicating via a watch-like device.
Faulty Voter Machines
In the episode "Treehouse of Horror XIX" (aired in 2008), Homer tries to vote for Barack Obama in the U.S. presidential election but finds the voting machine changing his vote to John McCain.
Autocorrect Errors
In the episode "Lisa on Ice" (aired in 1994), a sign at the Springfield Stadium reads "NRON." This was interpreted as an autocorrect error, similar to what happens with smartphones today.
Disney's Acquisition of Fox
In the episode "When You Dish Upon a Star" (aired in 1998), a sign outside a Fox studio reads "A Division of Walt Disney Co." This became true when Disney acquired 21st Century Fox in 2019.
The Roy Tiger Attack
In the episode "$pringfield (Or, How I Learned to Stop Worrying and Love Legalized Gambling)" (aired in 1993), magicians similar to Siegfried & Roy are attacked by their white tiger during a performance.
The Higgs Boson Equation
In an episode titled "The Wizard of Evergreen Terrace" (aired in 1998), Homer Simpson writes an equation on a chalkboard that appears to predict the mass of the Higgs boson particle.
Video Calling
In the episode "Lisa's Wedding" (aired in 1995), set in the future, video calling is depicted, which became a reality with the widespread use of platforms like Skype and FaceTime.
Greek Financial Crisis
In the episode "Politically Inept, with Homer Simpson" (aired in 2013), a news ticker shows a headline about Greece facing economic chaos.