Jonathan Morgan Heit

Lily's long-lost dad shows up unannounced on Thanksgiving Day. She confides the real reason she stopped speaking to him three years ago, as she and Marshall disagree on how they should deal with the dispute.

Lois takes Stewie's new best friend to the hospital when the boy falls ill. She learns that he has a critical but treatable disease, but that his parents refuse, on religious grounds, to have him treated for it.