S04E22

Sibling Rivalry

Mar 26, 2006 · 24 min

6.9

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.

Cast

Seth MacFarlane
Peter Griffin / Brian Griffin / Stewie Griffin / Glenn Quagmire (voice)
Alex Borstein
Lois Griffin / Tricia Takanawa / Loretta Brown / Barbara Pewterschmidt (voice)
Mila Kunis
Meg Griffin (voice)
Seth Green
Chris Griffin (voice)
Wallace Shawn
Bertram (voice)
Wally Wingert
Principal Sloan (voice)
Tara Strong
Little Baby Girl (voice)
Nicole Sullivan
Nurse at Sperm Bank (voice)
Phil LaMarr
Morgan Freeman (voice)

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