Peter goes with Lois to visit her sister Carole, who is now pregnant, but alone since her husband walked out on her. Carole goes into labor and Peter helps deliver the baby. Caught up in the moment, Peter and Lois decide that they want another baby. Stewie however, does not agree. Stewie does everything possible to keep Peter and Lois away from each other, but when he is locked out of their room, he is forced to take desperate measures. Stewie ends up shrinking himself down to microscopic size and seeking out his sperm-brother inside Peter's body. Instead of trying to hug his unborn brother Stewie and him unite to destroy Lois.
Sick, twisted, politcially incorrect and freakin' sweet, the animated series features the adventures of the Griffin family. Peter and Lois have three kids - the youngest is a brilliant, sadistic baby bent on killing his mother and destroying the world. Their talking dog Brian keeps baby Stewie in check while sipping martinis and sorting through his own life issues.
After being cancelled in 2002, an outstanding performance in DVD sales proved its cult value. As a result, the series was added back to the FOX Summer 2005 lineup. Family Guy returned to the small screen with new episodes on Sunday, May 1st, 2005.