Smartwatches
The episode of “Lisa’s wedding” was the first time the show saw into the future. When her boyfriend has a failed attempt at a wedding proposal this causes him to speak into his watch. 20 years later, Apple came out with its famous smartwatch.
Disney Buying 20th Century Fox
In an episode of The Simpsons filmed in 1998, Home sent a script to the 20th-century fox, showing a small line of text that read, ” a division of Walt Disney Co,” 19 years later this happened. The show never expected Fox to sell to Disney.