Brian shadows Meg for research purposes when he secures a job writing about the average American girl for a teen magazine.
Peter has a prostate exam and ends up suing the doctor who did it; Stewie gives Lois his undying love when she saves his stuffed bear.
Peter uses Meg's money to buy a tank and she must get a job at the town's new superstore; Brian and Stewie team up to save the town from the corporate giant.
Lois returns to accuse Stewie of her murder, and Joe leads a manhunt to look for him. Meanwhile, Stewie does everything in his power to become supreme ruler of the world.
Stewie and Brian use the time machine to help Chris ace his ninth-grade history test, and the three accidentally get stuck in the past.