Family Guy: 4x22
Sibling Rivalry
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.
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 Jun. 05, 2005
4 - 5The Cleveland–Loretta Quagmire Jun. 12, 2005
4 - 6Petarded Jun. 19, 2005
4 - 7Brian the Bachelor Jun. 26, 2005
4 - 88 Simple Rules for Buying My Teenage Daughter Jul. 10, 2005
4 - 9Breaking Out Is Hard to Do Jul. 17, 2005
4 - 10Model Misbehavior Jul. 24, 2005
4 - 11Peter's Got Woods Sep. 11, 2005
4 - 12Perfect Castaway Sep. 18, 2005
4 - 13Jungle Love Sep. 25, 2005
4 - 14PTV Nov. 06, 2005
4 - 15Brian Goes Back to College Nov. 13, 2005
4 - 16The Courtship of Stewie's Father Nov. 20, 2005
4 - 17The Fat Guy Strangler Nov. 27, 2005
4 - 18The Father, the Son, and the Holy Fonz Dec. 18, 2005
4 - 19Brian Sings and Swings Jan. 08, 2006
4 - 20Patriot Games Jan. 29, 2006
4 - 21I Take Thee Quagmire Mar. 12, 2006
4 - 22Sibling Rivalry Mar. 26, 2006
4 - 23Deep Throats Apr. 09, 2006
4 - 24Peterotica Apr. 23, 2006
4 - 25You May Now Kiss the... Uh... Guy Who Receives Apr. 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-O May. 21, 2006
4 - 30Stu & Stewie's Excellent Adventure May. 21, 2006