Peter’s Daughter is episode 7 of family guy season 06. It was originally aired on November 25, 2007.

When a flood hits Quahog, Meg winds up in the hospital in a coma, but she wakes up to a cute med student named Micheal and they immediately hit it off. After Meg recovers, Peter is very protective of her, so he drives Micheal away. But when Meg reveals to the family that she is pregnant, Peter forces them to get married.