Fed up with Peter's old, tattered, shirt, Lois takes him to the mall to buy a new outfit for church. When Peter struggles with the top button, they notice a large lump on his neck. Alarmed, they rush to the hospital where Dr. Hartman guesses that it's an incomplete vestigial twin.
Quagmire purchases a new laptop, which promptly gets infected by viruses from all of the dirty websites he visits. When he takes it in to be fixed, the technician, Sonja, is unfazed by his browser history and actually recommends alternate sites. Impressed, Quagmire asks her out on a date.
The Hand That Rocks the Wheelchair
When Bonnie leaves town, Meg cares for Joe - and ends up with a crush on him; Stewie accidentally creates an identical twin who is pure evil.
Tiegs For Two
Peter clashes with the owner of a dry cleaning business after he loses one of his white shirts; Brian infuriates Quagmire when he beings dating his old girlfriend, Cheryl Tiegs.