Upon discovering Cate in the arms of Artie, Bridget and Kerry decide to blow off their planned trip to their grandmother's and take to the open road to sort out their feelings. Meanwhile, Rory continues to pine for Rachel Sharpe, who confesses her true feelings for him.

Paul's job as parental guardian becomes more of a full-time position when Cate is up for a promotion and has to spend more time at the hospital. After Paul introduces Rory to baseball card collecting, Rory trades the cards for something not exactly associated with the sport.

While Cate plans to raise the family spirits with a special Thanksgiving dinner, Rory takes it upon himself to be the man of the house by looking after Bridget and Kerry.

When Paul is asked by race car driver Carter Tibbits (Jason Priestley, "Beverly Hills 90210") to write a book about him, Paul brings the family to Tibbits' mansion to meet the driving legend and his sarcastically dry-witted butler, Cody (Robert Guillaume, "Benson," "Sports Night") -- who used to be Carter's crew chief. But a misunderstanding leads Rory to steal a photo from Carter's room, and it's Paul who's under suspicion when a security camera catches him trying to return the item.

After Cate encourages Bridget to participate in extracurricular activities to beef up her college resume, Bridget shocks the family by landing the lead in the high school production of the story of Anne Frank. Rory's obsession with a dummy named Skeevy becomes a little unnerving for the Hennessy clan.

After witnessing some strange behavior from Bridget and Kerry, Cate tries to find out what they are up to. Meanwhile, C.J. and Rory doubt Jim's ability to put an engine back together after he falls in love with a classic car.

Officially a full-time teacher, C.J. is overjoyed to finally get access to the teachers' lounge. But he soon finds himself being bullied out of the room by the school's overzealous Home Ec instructor. Rory wants to impress a girl, so Bridget and Kerry take it upon themselves to give him a full-fledged makeover.

Paul is left home alone with the kids while Cate is at a seminar on the day of the big Michigan/Ohio State football game. But much to Paul's dismay, the game soon takes a backseat when Bridget is accused of shoplifting and Kerry gets upset over her latest cause.

Paul seems to be the only one looking forward to a family Halloween, as Bridget, Kerry and Rory make plans to spend the spooky evening away from home and with their friends. But Paul's wish to relive the past by having the family get together for one last Halloween campout in the old treehouse may turn out to be the biggest nightmare of the evening.

Paul tries to find perfect gifts for the family to make up for last year's Christmas fiasco. Kerry finds a stray dog during the holidays. Cate is overjoyed when she is asked to sing a solo at the church's midnight service, but fears that seeing her family there will make her nervous.

After a party at Tommy's house is broken up by the police, Paul chastises his friend and unwittingly volunteers to host the next one. But when the party gets out of control too, the kids think of him as a cool parent, while the neighborhood parents think he's just as unreliable as Tommy.

Bridget and Paul are surprised to find themselves in similar situations when they are both alienated in their social circles. But they devise a plan to settle the score, leading Paul to crash a poker game with Tommy to get closer to boss Nick, and Bridget trying to break up ex-boyfriend Kyle and her nemesis Jenna.

The Hennessy household and Jim are thrown for a loop when Cate's wayward nephew C.J. stops by to pay his respects to Paul and generally keep them company.

Cate banishes C.J. and grounds Bridget for going to C.J.'s college keg party. Jim has to take a written drivers exam after being pulled over with an expired license.

Bridget defies the rules of the house after Paul forbids her from going out on a date with Ben, her college-age drum instructor. Meanwhile, Kerry is mad at Cate when her ex-boyfriend confesses that he thinks her mother is pretty.

While vacationing in Florida at Cate's parents' home, Paul and Cate catch Bridget and Kerry on the news partying with a group of Spring Breakers. But the news runs archival footage that features a young Cate letting loose in a bar. Meanwhile, a jealous Paul meets Cate's college boyfriend Byron and Rory befriends an elderly gentleman whose stories about World War II turn out to be more fiction than fact.

For a health class assignment, Bridget and Kyle have to take care of a sack of flour as if it were a baby. Kerry and Rory bake cookies for the Great American Bake Sale to help put an end to childhood hunger in America.

Cate orders Kerry, Rory, and Jim join the YMCA where Bridget works.

In need of a tutor to boost her grades, Bridget hires Jeremy, hoping to make her chance of getting into a good college better. Meanwhile, Kyle treats Kerry to an very un-corporate Valentine's Day celebration. Rory gets pointers about the perfect gift for his new girlfriend Missy. Jim sends C.J. on an errand to get a special drug in Canada.

After being told that she's fickle when it comes to relationships, Bridget is afraid that she may end up hurting Jeremy's feelings when her ex-boyfriend returns to town. Meanwhile, Kerry is outraged and plans revenge when provocative dancing has been banned from the high school formal, which is being chaperoned by Cate and Jim. C.J. partners with Rory to broadcast school scandals over the internet.

On the advice of the family therapist, Cate is encouraged to pursue her dream of becoming a singer. Meanwhile, C.J. and Jim find themselves trying to bond in a bar when Cate encourages C.J. to take his grandfather out after he is dumped by his wife in a letter. Kerry angers Bridget by dying her hair blonde after she complains that the romance is fading from her relationship with Kyle.

Cate sends Bridget and Kerry to their grandmother's house for a visit after the Hennessys decide against vacationing at the family cabin. But while on their road trip to grandma's, the girls are shocked to find Cate at their father's favorite saloon with a mysterious stranger. Meanwhile, Kerry makes Rory's life miserable when she discovers that he has a crush on her friend, Rachel.

Kerry gets in the art program in Europe in the summer, but Cate forgot to submit her medical records in time. Together they appeal to principal Gibb. C.J. falls for Missy's big sister Sissy and Gramps for a woman he has a car accident with.

Cate's alleged antics at Kerry's volleyball game threaten to make her team forfeit the match. Meanwhile, C.J. has a crush on Kerry's volleyball coach and Bridget becomes upset when one of her friends begins dating her ex-boyfriend.

After falling asleep while watching Freaky Friday, Cate awakens to find that she and Bridget have switched bodies. C.J. and Jim have also trade places as well as Rory and his hamster. Only Kerry is spared and enjoys their predicament.