Lois discovers she has a brother named Patrick and takes the family cross-country to meet him. It turns out; he’s locked up in a mental institution. Lois thinks he’s sane, so she checks him out to live with the Griffins. Meanwhile, Peter starts the Society for the Acceptance of Fat Men. But when all the fat men of Quahog are strangled one-by-one the group lives in fear. Who could the “Fat Man Strangler” be?
Seth MacFarlane
as Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire / Tom Tucker (voice)
Alex Borstein
as Lois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice)
Mila Kunis
as Meg Griffin (voice)
Seth Green
as Chris Griffin (voice)
Patrick Warburton
as Joe Swanson (voice)
Arif Zahir
as Cleveland Brown (voice)
Patrick Warburton
as Joe Swanson (voice)
Bob Barker
as Bob Barker (voice)
Robert Downey Jr.
as Patrick Pewterschmidt (voice)
Margaret Easley
as Hand #2 (voice)
David Boat
as Hand #1 (voice)
Tara Strong
as Amanda / Ball in a Cup Ad Singing Voice (voice)
Will Sasso
as Todd (voice)
Max Burkholder
as Young Patrick Pewterschmidt (voice)