The kids question Cate's motives when they return from their summer getaways and discover that she has bought a new bed and changed her hairstyle. Meanwhile, after traveling through Europe over the summer, Kerry met and had a fling with a boy - which leaves Bridget jealous and Kerry wondering what to do about boyfriend Kyle; new high school Student Body President Bridget is convinced even further that life is a popularity contest after taking a trip to Washington, DC over the summer; and after a depressed Jim fails to win back the affections of his wife in Florida, Rory attempts to help him quit smoking -- which is complicated by Jim's discovery that C.J. was responsible for their irreconciliation.

After Cate accepts the position of school nurse, Bridget and Kerry are convinced that she only took the job to spy on them. Rory is ecstatic that his mom might be able to protect him from a school bully.

Kate gives Bridget and Kerry the keys to the minivan, provided they drive Rory wherever he needs to go. But when the girls repeatedly fail to drive him, he attempts to drive himself, wrecking the car in the process.

Bridget is psyched to join the high school tennis team when she develops a crush on Coach Scott. But her infatuation soon turns to disgust when she learns that Scott has a crush on Cate. Meanwhile, Kerry and Rory begin to question the authenticity of Jim's war stories while rummaging through his war chest.

After Bridget is turned down for a role in a sports car commercial, Jim discovers that the head of the modeling agency who rejected her is an old flame. When he tries to persuade her to reconsider his granddaughter, Jim soon finds himself reminiscing over old times. Kerry and Rory discover a secret about C.J.'s past modeling experiences.

Bridget is ecstatic when she learns that tennis scouts from Princeton are coming to her school to watch her play for a possible scholarship. But when Bridget's school forbids her to play because of a poor grade, Cate has to decide whether to use her clout as school nurse to help her daughter out. Meanwhile, Jim promises a nervous C.J. that he'll give up his room if he can spend one night alone in the attic.

Cate is shocked to discover that Principal Gibb has hired C.J. as a substitute teacher. When C.J. catches Rory cheating on a test, he is torn about reporting it as Cate tries to persuade him to look the other way. Meanwhile, when Bridget breaks her leg because of Kerry's blunder, she makes her little sister's life a living nightmare.

After sending an email to former college flame Matt to see how he's been doing over the years, Cate becomes fed up with the unreasonable demands of her family and locks herself in her room for some alone time. But she's shocked when Matt shows up at her window and whisks her off to re-live some adventurous, old times.

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.

Valentine's Day finds C.J. in a predicament when he commits to two different Valentine's Day dates. Meanwhile, Bridget's excitement over being elected to the court of the Valentine's Day dance quickly turns to shock when she discovers that Cheryl is also in the running.

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.

After Principal Gibb and Cate fall asleep at the house while watching a movie, the family catches them and falsely assumes that the two are having a relationship. Bridget, Kerry, Rory and C.J. are forced to go ice-fishing with Jim in order to spend quality time with their grandfather. But Jim would much rather be left alone and is forced to keep up a happy façade.