"Road to Europe" (originally called "European Road Show") is the 20th episode of the third season of the animated comedy series Family Guy, and the 48th episode overall. It originally aired on Fox in the United States on February 7, 2002. The episode follows baby Stewie, who becomes obsessed with the fictional British children's television series "Jolly Farm Revue". He decides to run away from home to become part of the cast and his anthropomorphic dog Brian decides to chase him down in an attempt to bring him back home.
https://en.wikipedia.org/wiki/Road_to_Europe