Meet The Quagmires
Family Guy Season 5 Episode 18 (05/20/07)
Death grants Peter's wish to go back to 1984, when he was 18, for one night. Peter stands up Lois on a date and ends up going out with an actress. In present times, Peter realizes he's now married to the former actress and Quagmire is married to Lois. Chris, Meg and Stewie still exist, but they've taken on Quagmire's distinguishing characteristics.