High Quality Content by WIKIPEDIA articles! "The Fat Guy Strangler" is the seventeenth episode of season four of Family Guy, which originally aired on November 27, 2005.Lois discovers she has a long-lost brother, Patrick. She discovers he was put in a mental hospital after seeing his mother being seduced; so she consents to release him, but after a childhood flashback induced by Peter, he becomes traumatized and starts murdering overweight people. The episode was written by Chris Sheridan and directed by Sarah Frost, and guest-stars were Bob Barker, Dave Boat, Max Burkholder, Barclay DeVeau, Robert Downey, Jr., Margaret Easley, Kim Parks, Will Sasso, Anne-Michelle Seiler and Tara Strong.