Overview
Peter gets a vasectomy and loses all his sex drive. Lois begins to gain weight, and as a result, Peter's regains his interest in his wife. When Lois' habits get out of control, she has a heart attack. The surgeon must remove Lois' fat to reach her heart, returning her to her normal weight. Meanwhile, Stewie's half-brother Bertram returns to confront him, where they have a war for control over the playground.
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4 - 1North by North Quahog May 01, 2005 -
4 - 2Fast Times at Buddy Cianci Jr. High May 08, 2005 -
4 - 3Blind Ambition May 15, 2005 -
4 - 4Don't Make Me Over June 05, 2005 -
4 - 5The Cleveland–Loretta Quagmire June 12, 2005 -
4 - 6Petarded June 19, 2005 -
4 - 7Brian the Bachelor June 26, 2005 -
4 - 88 Simple Rules for Buying My Teenage Daughter July 10, 2005 -
4 - 9Breaking Out Is Hard to Do July 17, 2005 -
4 - 10Model Misbehavior July 24, 2005 -
4 - 11Peter's Got Woods September 11, 2005 -
4 - 12Perfect Castaway September 18, 2005 -
4 - 13Jungle Love September 25, 2005 -
4 - 14PTV November 06, 2005 -
4 - 15Brian Goes Back to College November 13, 2005 -
4 - 16The Courtship of Stewie's Father November 20, 2005 -
4 - 17The Fat Guy Strangler November 27, 2005 -
4 - 18The Father, the Son, and the Holy Fonz December 18, 2005 -
4 - 19Brian Sings and Swings January 08, 2006 -
4 - 20Patriot Games January 29, 2006 -
4 - 21I Take Thee Quagmire March 12, 2006 -
4 - 22Sibling Rivalry March 26, 2006 -
4 - 23Deep Throats April 09, 2006 -
4 - 24Peterotica April 23, 2006 -
4 - 25You May Now Kiss the... Uh... Guy Who Receives April 30, 2006 -
4 - 26Petergeist May 07, 2006 -
4 - 27The Griffin Family History May 14, 2006 -
4 - 28Stewie B. Goode May 21, 2006 -
4 - 29Bango Was His Name Oh! May 21, 2006 -
4 - 30Stu & Stewie's Excellent Adventure May 21, 2006