To prove that men are not only interested in only beautiful women, Gary dates Louise's favorite, but plain school teacher.

Gary pretends he is still married while attending the vow-renewal of a friend, as a favor to Allison. But the plan backfires when Gary finds himself attracted to one of the guests.

While his home is under repair, Gary moves back in with Allison.

When Gary vetoes Louise from taking Chinese, Allison uses her veto to put a stop to Louise taking golf lessons.

Gary makes a threat to show Allison's racy photographs he received from her on their first anniversary to everyone, when she refuses to give back his pool table he bought for her as a gift.

When Tom is unaffected by low scores on a career aptitude test, Allison decides that Gary needs to set a better example for their son. Gary calls an old buddy who works at a radio station, and ends up getting offered a job an offer that Gary misinterprets.

Gary and Allison have hit that point where their relationship moves ahead, by meet each others friends. But neither felt like they had made a great impression.

It is the first Thanksgiving as a divorced couple, and Gary finds himself competing for dinner guests with Allison.

Gary's half-brother has returned from the war and needs a place to stay. The full house finds Gary spinning out of control as he finds himself playing parent to both his children and a sibling.

Gary is determined to prove that he can handle a one-night stand without getting attached.

Gary reluctantly takes financial advice from Allison's brother, after receiving an notice from the IRS about an audit.

Trying to juggle two kids and two careers, Gary overextends himself.

Gary realizes that if he can stop paying spousal support, he can buy Tom lots of toys. He sets about trying to encourage Dr. Krandall to set a date.

When Gary discovers that Allison is going to take the kids to their first concert, a not-so-friendly competition kicks off. Gary tries to out-do Allison by exposing the kids to other first experiences, such as Tommy's first shave and buying Louise her first bra.

Gary begins to feel threatened by Tom's relationship with Dr. Krandall, leading him to change the relationship he has with his son.

Gary freaks out after learning that Dennis has made plans for his marriage to his younger sister, after they begin dating.

Desperate to get the job as a radio sportscaster, Gary attempts to convice Sasha into listening to his demo tape, while Louise comes up with a way to protect Tom from the school bully.

When the radio station's normal sports announcer gets arrested, Sasha agrees to let Gary take over, giving Gary his first big break. Meanwhile, it's her school's volunteer week, and Louise participates by making a video consisting of well-wishes for Uncle Mitch and the rest of his team in the Marine Corp.

Gary discovers that he and Allison's divorce papers were never filed, and he uses this information as a way to reclaim some of the things Allison kept. Allison's sister Rachael gives Mitch a makeover while she is in town visiting.

Gary is afraid that Vanessa and Allison's blooming friendship will mean doom for his relationship with Vanessa once Allison sets up a gloomy impression of him. Gary wishes all the former women in his life will make friendships elsewhere.

Gary ends up in Vanessa's doghouse after finally taking her on a real date, but brings her to a restaurant that he used to frequent with Allison.

When Allison breaks up with Krandall, she begins showing up at Gary's house, forcing Gary to find her someone new.

After Sasha gives Gary an awesome Valentine's Day gift, he tries to outdo her by giving her the perfect gift. Meanwhile, Allison tries to bond with Tom and Louise.

Gary must deal with the news that his ex-wife is engaged to another man all while trying to balance single fatherhood and a new relationship of his own.

Gary and Allison decide they need to make some new boundaries and distance themselves from each other after he undressing in front of her.