-Disgusted by his family and their crass stupidity, Stewie decides to use his time machine to travel back in time and break Peter and Lois up, preventing his own conception.
-His plan works, causing Stewie to be born into a different life -- in the world of British high society.
-Though he is initially elated, Stewie soon finds that his new life is difficult and unpleasant.
-Stewie longs for his old life with the Griffins.
-Stewie builds a new time machine and travels back in time yet again, this time stopping himself from breaking up Peter and Lois in his previous time travel trip.
-Stewie's plan works again, and he re-enters Griffin family life, now happy to be the smartest person in a family of idiots.