‘The Simpons’ Will Meet ‘The Griffins’ in Season Premiere [VIDEO]

WARNING: Watching this preview of the "The Simpsons" and "Family Guy" crossover event, will make you laugh, it's also full of spoilers, because it's FIVE-MINUTE preview of the season premiere that airs on FOX, Sunday night September 28.

Seriously though, there are some spoilers, including other guest appearances.