| "Sibling Rivalry" | |
|---|---|
| Family Guy episode | |
| Episode no. | Season 4 Episode 22 |
| Directed by | Dan Povenmire |
| Written by | Cherry Chevapravatdumrong |
| Production code | 4ACX24 |
| Original air date | March 26, 2006 |
| Guest appearances | |
| |
"Sibling Rivalry" is the 22nd episode of the fourth season of the animated comedy series Family Guy. It originally aired on Fox in the United States on March 26, 2006.[1] The episode follows Stewie as he battles with his half-brother, Bertram (voiced by Wallace Shawn), who is born to two lesbians after Peter donates sperm. Meanwhile, Lois begins excessive eating after Peter undergoes a vasectomy and does not feel well enough to have sex.[2]
The episode was written by Cherry Chevapravatdumrong and directed by 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. 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.