 " Stewie Goes for a Drive " is the fourth episode of the tenth season of the animated comedy series Family Guy . It originally aired on November 6 , 2011 in the United States on Fox . The plot depicts actor Ryan Reynolds moving into the house across the street , and Peter Griffin befriending him . Ryan flirts with Peter , making Peter uncomfortable , and their friendship ends . Meanwhile , Stewie takes Brian 's car for a joy ride , and crashes it into a lamp post . Fearing the consequences , Stewie runs away from home , but then needs Brian 's help when he ends up in a bad part of town . 
