A laptop is one of the ABC Islands.
`` Sibling Rivalry '' is the 22nd episode of the fourth season of the animated comedy series Family Guy .. fourth season. Family Guy ( season 4 ). animated. animated cartoon. comedy series. television comedy. Family Guy. Family Guy. It originally aired on Fox in the United States on March 26 , 2006 .. Fox. Fox Broadcasting Company. The episode follows Stewie as he battles with his half-brother , Bertram -LRB- voiced by Wallace Shawn -RRB- , who is born to two lesbians after Peter donates sperm .. Wallace Shawn. Wallace Shawn. Stewie. Stewie Griffin. Peter. Peter Griffin. Meanwhile , Lois begins excessive eating after Peter undergoes a vasectomy and loses his interest in sex .. Peter. Peter Griffin. Lois. Lois Griffin. vasectomy. vasectomy. The episode was written by Cherry Chevapravatdumrong and directed by Dan Povenmire .. Cherry Chevapravatdumrong. Cherry Chevapravatdumrong. Dan Povenmire. Dan Povenmire. The episode received mixed reviews from critics for its storyline and many cultural references .. According to Nielsen ratings , it was viewed in 7.95 million homes in its original airing .. Nielsen ratings. Nielsen ratings. The episode featured guest performances by Randy Crenshaw , Gavin Dunne , Bob Joyce , John Joyce , Phil LaMarr , Rick Logan , Wallace Shawn , Tara Strong , Nicole Sullivan and Wally Wingert , as well as several recurring voice actors for the series .. Bob Joyce. Bob Joyce ( actor ). Phil LaMarr. Phil LaMarr. Wallace Shawn. Wallace Shawn. Tara Strong. Tara Strong. Nicole Sullivan. Nicole Sullivan. Wally Wingert. Wally Wingert