As the Griffins prepare for Christmas by decorating their tree, Meg finds an ornament of the manger and Peter tells the story of Christmas.
Jesus Mary, and Joseph contain examples of: (YMMV goes here)
- Butt-Monkey: Meg, as usual.
- Continuity Nod: When Brian calls the Nativity story fictional, Stewie replies that Jesus once lived with them for a month (as seen on "I Dream of Jesus").
- Fridge Logic: In-universe, where Mary's virgin birth makes sense when she explains it to Joseph but when he explains it to his friends they keep "poking holes" on it.