Stan is stressed by family life and decides to buy a hot tub for the backyard, but the hot tub soon becomes an obsession for him once it begins to sing.
Stan convinces principal Lewis to get married so that he will get to be the best man, but his plan hits a snag when he invites principal Lewis's old cell mate to the wedding. Meanwhile, Roger goes to Miami to show off his new shorts.
Stan creates the avatar of a sexy high school girl so that he can participate more in Steve's life, and Roger gets revenge on a group of fraternity brothers who stiffed him on a limo ride.
Stan is excommunicated from the church, but he finds a way to get back in when he discovers that Haley and Jeff's newly adopted son is actually the Antichrist.
While Stan and Francine try to figure out if Francine is pregnant, Steve tries to become a superhero in a desperate effort to gain his dad's respect, only to have Roger steal the spotlight.
Stan's efforts to teach Steve the value of hard work and earn membership to a country club backfire on him, and Francine tries to come up with the next big catchphrase.
Steve and Roger try to solve a case as the fictional detectives "Wheels and the Legman," but Stan threatens to ruin the whole case by joining the team as their new sidekick.
An old man puts a hex on Stan that causes him to age prematurely, while Roger deliberately misleads Francine in order to get her to go along on a strange mission.
Stan refuses to get Steve a pet dog, but Francine buys him one anyway. But when the dog is injured and winds up on life support, Stan is willing to go to outrageous lengths to keep it alive.
Stan and Francine try to live a month on a minimum wage salary to prove a point to Haley and Jeff, while Roger and Steve try to get their hands on a Ferrari to get back at Klaus.
Steve convinces Roger to redeem his most hated and disgusting persona, Ricky Spanish, while Stan and Francine get a visit from the Nigerian boy they once sponsored.
Stan takes Steve to Mexico for sex so that he will forget about playing with toys, but they get kidnapped instead. Meanwhile, Roger searches for the perfect wine to go with Francine's steaks.
