[s4e22] Sibling Rivalry -

: Stewie encounters his half-brother, Bertram (born from a sperm bank donation Peter made years earlier), at the playground. The two share the same genius-level intellect and megalomaniacal ambitions.

: The bingeing eventually catches up with Lois, leading to a heart attack. She is rushed to the hospital for emergency liposuction, which returns her to her original size and ends their "weight-gain" phase. The Subplot: Stewie and Bertram [S4E22] Sibling Rivalry

: Stewie eventually wins the skirmish, successfully reclaiming his territory from his rival sibling. Notable Moments : Stewie encounters his half-brother, Bertram (born from

: After undergoing a vasectomy, Peter loses his sex drive, leaving Lois feeling neglected. To cope with her frustration, she begins overeating. She is rushed to the hospital for emergency

: The episode includes a shot-for-shot parody of the film Better Off Dead during a drag race scene.