Peter's estranged sister Karen shows up to the Griffin family's Thanksgiving dinner, and Joe, Cleveland, and Quagmire realize that she is the famous wrestler, Heavy Flo.
Peter takes his family to a fancy restaurant and falls in love with his toothpick. When Peter accidentally swallows it, he goes back to the restaurant to get another one.
A drunk Peter drinks water from a fire hydrant; but when the water overflows, Peter ends up destroying the public library. As a result of Peter's drunken hijinks, Major Adam West raises the legal drinking age to fifty.
Stewie Loves Lois
Stewie almost loses his beloved bear Rupert when a stray dog snatches him out of Stewie's hands at the park. Lois saves Rupert and stitches him up good as new. After this act of bravery, Stewie realizes how much he loves his mother, but how long with this relationship last?
Peter's mother, Thelma, comes into town announcing that she and Peter's dad are getting a divorce. Lois takes Thelma to a Quahog singles mixer where she meets local newscaster Tom Tucker. Their relationship flourishes but Peter has a hard time accepting the reality of having a new man in his mother's life. Meanwhile, Brian meets the manager of a radio station and is offered his own radio show.
Hell Comes to Quahog
When Peter leaves Meg behind at the roller rink after he was supposed to pick her up, she decides to get her own car. The family heads out to the local car lot but when Meg picks out a nice reliable sedan, Peter insists on getting her a tank. Behind the wheel of the assault vehicle, Peter causes havoc throughout town finally ending with Joe impounding it. In order to buy a car on her own, Meg then takes a job at Superstore USA, which has just moved into Quahog.
Saving Private Brian
Chris' school is visited by an Army recruiter, who sparks his interest in the military. Brian is outraged and decides to visit the recruitment office to give them a piece of his mind. After he steps outside for a minute, Stewie signs the both of them up to be in the Army. Brian struggles quite a bit during training and is about to quit when Stewie convinces him to follow through with it, only for them to be rewarded with a deployment to Iraq.
Whistle While Your Wife Works
After blowing his fingers off lighting firecrackers, Peter needs Lois to help him do his work so that he doesn't lose his job. Meanwhile, Brian is spending a lot of time out of the house and Stewie realizes that he is dating a new woman. After much persuasion, Brian finally agrees to take Stewie to meet this mystery woman, Jillian. At first Stewie is very impressed; she's stunning, but after a few minutes he realizes she is a moron.