S4 - E1North by North Quahog May. 01, 2005
S4 - E2Fast Times at Buddy Cianci Jr. High May. 08, 2005
S4 - E3Blind Ambition May. 15, 2005
S4 - E4Don't Make Me Over Jun. 05, 2005
S4 - E5The Cleveland–Loretta Quagmire Jun. 12, 2005
S4 - E6Petarded Jun. 19, 2005
S4 - E7Brian the Bachelor Jun. 26, 2005
S4 - E88 Simple Rules for Buying My Teenage Daughter Jul. 10, 2005
S4 - E9Breaking Out Is Hard to Do Jul. 17, 2005
S4 - E10Model Misbehavior Jul. 24, 2005
S4 - E11Peter's Got Woods Sep. 11, 2005
S4 - E12Perfect Castaway Sep. 18, 2005
S4 - E13Jungle Love Sep. 25, 2005
S4 - E14PTV Nov. 06, 2005
S4 - E15Brian Goes Back to College Nov. 13, 2005
S4 - E16The Courtship of Stewie's Father Nov. 20, 2005
S4 - E17The Fat Guy Strangler Nov. 27, 2005
S4 - E18The Father, the Son, and the Holy Fonz Dec. 18, 2005
S4 - E19Brian Sings and Swings Jan. 08, 2006
S4 - E20Patriot Games Jan. 29, 2006
S4 - E21I Take Thee Quagmire Mar. 12, 2006
S4 - E22Sibling Rivalry Mar. 26, 2006
S4 - E23Deep Throats Apr. 09, 2006
S4 - E24Peterotica Apr. 23, 2006
S4 - E25You May Now Kiss the... Uh... Guy Who Receives Apr. 30, 2006
S4 - E26Petergeist May. 07, 2006
S4 - E27The Griffin Family History May. 14, 2006
S4 - E28Stewie B. Goode May. 21, 2006
S4 - E29Bango Was His Name-O May. 21, 2006
S4 - E30Stu & Stewie's Excellent Adventure May. 21, 2006