Family Guy was transparently conceived as a Simpsons copycat (both shows have joked about it) and it ripped off a lot of specific characters.

But in The Simpsons' 2024 Christmas special "O C'mon All Ye Faithful," one joke is directly borrowed from Family Guy.

The lengths Peter Griffin will go to just to avoid hearing about Lois' dream. “Family Guy” previously crossed over with “The Simpsons” in 2014 during the show’s Season 13 premiere “The Simpsons Guy,” ...