"The Simpsons are going to spend some quality time with the Griffins," reports Entertainment Weekly.
The story continues, " In a crossover episode titled ‘The Simpsons Guy,’ Homer & Co. will be featured in an episode of Family Guy, EW has learned."
SPOILER ALERT: Here are the detaiils, according to EW: "Simpsons castmembers Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith and Hank Azaria will lend their voices to the installment, in which Peter and the rest of the Griffins embark on a road trip and wind up in Springfield. There, they cross paths with Homer, who graciously greets his new “albino” visitors, and the two families become fast friends. Stewie is impressed with Bart and his assortment of pranks, Lisa tries to figure out exactly what it is that she’s good at, and Marge and Lois do some bonding. Meanwhile, Peter and Homer argue over which beer is better: Pawtucket or Duff."