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 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.
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.
It is the first Thanksgiving as a divorced couple, and Gary finds himself competing for dinner guests with Allison.
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.
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 with 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 is determined to prove that he can handle a one-night stand without getting 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.
Trying to juggle two kids and two careers, Gary overextends himself.
After her new "friend" Sophia prefers Gary's company over hers, Allison feels jilted.
After making a disastrous attempt to prepare a Thanksgiving feast for Sasha, Curtis, Jack and the kids, Gary turns to Allison for help.
Gary tries to keep the secret of letting Louise attend a popular girls party from Allison, while Sasha contemplates having more than a working relationship with Gary.
Gary and Sasha's first date is interrupted by Allison, so Sasha starts to really notice the bad sides of dating a divorced man.
Gary buys a boat to help Tom impress a girl, but his scheme does not go as planned; Gary must turn to Allison's boyfriend for help.
Worrying that Tom may be hanging out with the wrong guys at school, Gary and Allison take it upon themselves to probe into Tom's personal life. Meanwhile, Sasha flirts with professional surfer Laird Hamilton.
Because his relationship with Sasha has gone to the next level, Gary must now decide if he should put his career on the line to date his boss or if it's not worth it. Meanwhile, Allison tries to teach Tom a lesson in responsibility.
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 turns to wrestling in order to settle a fued between him and the wrestling coach, after he fails to help Tom make the team.
When Mitch returns home from overseas, Gary tries to help him figure out what he'll do for a living. Meanwhile, Curtis and Charleen hire Allison as their wedding planner.
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.
