- Peter asserts that he weighs 293lbs, the same as he did in grade school.
- Dr. Hartman rocks out on his break to "I Hate Myself for Loving You" by Joan Jett and the Blackhearts.
- Chip later became a cast member of The Middle, calling it "loud garbage."
- Despite coming from inside Peter's body, Chip was already born wearing glasses.
- In "Valentine's Day in Quahog", Meg also had a conjoined twin.
- Stewie and Brian play Sorry! during Peter's operation.
Previous Episode's Notes/Trivia /// Vestigial Peter's Notes/Trivia \\\ Next Episode's Notes/Trivia
| << Season 11 | Family Guy Season 12 | Season 13 >> | |||||||||
| #01 | Finders Keepers | #08 | Christmas Guy | #15 | Secondhand Spoke | ||||||
| #02 | Vestigial Peter | #09 | Peter Problems | #16 | Herpe, the Love Sore | ||||||
| #03 | Quagmire's Quagmire | #10 | Grimm Job | #17 | The Most Interesting Man in the World | ||||||
| #04 | A Fistful of Meg | #11 | Brian's a Bad Father | #18 | Baby Got Black | ||||||
| #05 | Boopa-Dee Bappa-Dee | #12 | Mom's the Word | #19 | Meg Stinks! | ||||||
| #06 | Life of Brian | #13 | 3 Acts of God | #20 | He's Bla-ack! | ||||||
| #07 | In Harmony's Way | #14 | Fresh Heir | #21 | Chap Stewie | ||||||