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.
Gary pushes Dr. Krandall to set a wedding date with Allison so he will no longer be required to pay her alimony.
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.
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 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.
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.
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.
Being it is the first Thanksgiving as a divorced couple, Gary and Allison find themselves competing for dinner guests.
Gary and Allison try to one-up each other as they try to impress the kids with "first" experiences. Allison takes the kids to their first concert, while Gary decides to teach Tom to shave and buy 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.
To prove that men are not only interested in only beautiful women, Gary dates Louise's favorite, but plain school teacher.
While his home is under repair, Gary moves back in with Allison.
Gary freaks out after learning that Dennis has made plans for his marriage to his younger sister, after they begin dating.
Gary reluctantly takes financial advice from Allison's brother, after receiving an notice from the IRS about an audit.
When Gary vetoes Louise from taking Chinese, Allison uses her veto to put a stop to Louise taking golf lessons.
When Allison breaks up wtih Krandall, she begins showing up at Gary's house, forcing Gary to find her someone new.
After a bowling teammate quits before the championships, Gary rushes to find a replacement.
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 sets out to repair Allison's garbage disposal but find themselves inside her bedroom fixing their lust for sex.
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.
After Allison's new boyfriend offers to take Louis to New York for his birthday, Gary tries to outdo him but shouting out a promise he could never keep.
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.
Gary wants to prove that he can go out with a one-night stand and not become attached.
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 overdoes it when he tries to manage two children and two careers.
Allison is jealous when her new "friend" Sophia prefers to hang out with Gary than her.
After trying to make Thanksgiving dinner for Sasha, Curtis, Jack and the kids and failing miserably, Gary asks Allison for help.
Gary allows Louise to go to a party with the popular girls from school, but has to hide it from Allison. Meanwhile, Sasha debates having more than a working relationship with Gary.
Gary and Sasha have their first date, but they are interrupted by Allison.
In order to help Tom impress a girl, Gary decides to buy a boat, but the boat isn't what he had expected and must turn to Allison's new boyfriend for help.
Gary and Allison snoop into Tom's personal life when they worry that he might be falling into the wrong crowd at school. Meanwhile, Sasha flirts with Laird Hamilton, a professional surfer.
Now that his relationship with Sasha has gone to the next level, Gary must choose between his career and dating Sasha. Meanwhile, Allison tries to teach Tom how to be more responsible.
When Sasha gives Gary the best Valentine's Day gift, he tries to find the perfect gift for her. Meanwhile, Allison attempts to bond with Tom and Louise.
In order to get Tom on the wrestling team after the original plan backfires, Gary challenges the coach of the team, a former high scool nemesis, to a wrestling rematch.
Gary helps out Mitch to figure out what he'll do for a living when Mitch returns from overseas. Meanwhile, Allison is hired as Curtis' and Charleen's wedding planner.
When Gary finds out that he and Allison's divorce papers were never filed, he uses the information to manipulate her into giving him his stuff back. Meanwhile, Allison's sister Rachael comes to town and gives Mitch a makeover.