When Robert invites Tia to move into his closet space, she gets jealous when she discovers his old wedding video showing a happy Robert with his now ex-wife Neesee. Meanwhile, a misunderstanding about which videotape Tia actually found gives Neesee leverage in a battle with Robert over who gets custody of Bobby's Jr.'s old crib.
Tia finds that she can't escape Robert's ex-wife, Neesee, even in her own workplace, when Neesee volunteers to be the school's newest kindergarten ""room mom"" and forms an instant bond with Tia's best friend, Jonelle. Meanwhile, R&B sensation and movie star Beyoncé Knowles turns the tables on Robert during an interview when she starts asking him personal questions.
When the station does a profile on Robert's home life, he insists that both Tia and Neesee be included, but when Neesee is edited out of the version that airs, the kids at Bobby's Jr.'s school joke that Neesee must be the nanny. Meanwhile, Neesee retaliates by filing a complaint that Tia and Robert's relationship is in violation of the rule against teachers dating students' parents.
Tia moves into the house with Robert only to discover that Bobby Jr. doesn't want her there, so when Robert and Dirk fail at making Bobby Jr. feel more comfortable with the new living arrangements, it's up to Neesee to try and help her son adjust. Meanwhile, Jonelle sublets Tia's old apartment and becomes friends with the neighbors who did not like Tia.
When Robert turns down his sister Carmen's latest ""get-rich-quick"" scheme, she pleads her case to Tia, who decides to help her, but accidentally gives Carmen money that was intended for Bobby Jr., so when Neesee's child support check bounces, a furious Neesee lets everyone know about it. Meanwhile, Dirk and Jonelle try to start a romance.
Robert doesn't realize he has completely forgotten Tia's birthday until Neesee and Bobby arrive with a present, so he enlists Neesee's help to cater and pull together a party that's a surprise for everyone involved. Sure that Robert hasn't forgotten her birthday, Tia anticipates his surprise, but certainly doesn't expect getting stuck in the car while Robert reports on a stuntman-union strike.
When Robert and Neesee learn that Bobby doesn't socialize with the other kids in his school, they immediately book a playdate for Bobby with the most popular kid in class, Sammy, but things get awkward when Sammy's mom Traci comes on strong to Robert right in his own house. Meanwhile, after discovering that Bobby's shyness stems from a fight with Alex's son, Neesee and Alex attempt to reconcile the boys' friendship, but end up arguing over whose son should apologize first.
Close to the wedding date, Robert and Tia start having vivid nightmares involving Neesee, making Tia realize that spending the rest of her life with Robert also means spending the rest of her life with Neesee, causing her to re-examine her relationship with Robert. Tensions at home affect the tired couple, putting them out of sync at the gang's tango lessons, taught by Antonio.
Tia tries to explain why she needs some space, Robert successfully seduces her, thinking their problems are solved only to be disappointed the next morning when Tia tells him nothing has changed. But when Neesee attempts to get Robert and Tia back together, her plan backfires, not realizing that she is the reason for their separation. Later, when Jonelle decides to take Tia out to take her mind off of the separation, Robert shows up at the club and begs Tia to reconsider, only to find her being hit on by an annoying guy named Hale.
After learning that Robert has started dating again, Tia immediately asks flirty fireman Rick to join her on a double date with Dirk and Jonelle, but when Robert decides to keep tabs on Tia by calling Dirk in the middle of dinner, he gets more than an earful when Dirk accidentally blurts out that Tia kissed Rick. Later, thinking Tia has moved on, Robert goes in for a passionate good night kiss with his date Sheena, but pulls back at the last minute after his eye catches a photo of Tia.
When Neesee nurses ailing Robert and Bobby Jr. back to health, Robert gets to see a more caring and nurturing side of his ex-wife, which brings back all of the old feelings he had when he first fell in love with her. Later, when Tia sees an ugly side to Rick, she realizes she is still in love with Robert and wants to reconcile, only to find out that Robert now needs space.
When Tia's dad, Lucas joins the family for Thanksgiving dinner, he is immediately taken by Neesee's mom (guest star Debbie Allen) and spends the entire meal flirting with her, while she wants nothing to do with him. Later, after Bobby ignores his parents' orders twice, they decide they must punish him with his first spanking.
Robert's romantic New York Valentine's weekend with Tia goes awry when his big interview with Serena Williams keeps getting postponed by her wacky cousin/assistant Wanda. Meanwhile, Neesee caters a high-profile party for Alex's new boyfriend Eric, but when his demands become out of control, it causes tension between the two women.
Robert lands a job as a weekend correspondent for ""Entertainment Tonight"" and insists Dirk be his producer, but when he criticizes the stories they are assigning Robert, Dirk ends up quitting. Meanwhile, when Rusty, the brother of her new business partner, comes over to help Neesee build some shelves in her apartment, she unexpectedly finds herself attracted to him, but when they start dating, Rusty doesn't want to tell his sister.
When Robert accepts an offer from his bosses at ""Entertainment Tonight"" to pay for his wedding for the right to televise it on their show, Tia regrets his decision when the advertising and promotions become more important than the bride and groom. Later, Robert feels bad when he learns that ""Mr. LA"" is in jeopardy of being cancelled and contemplates leaving ""Entertainment Tonight"" to help his old show.
Following his breakup with his former fiance Tia and losing his job a few months earlier, Robert tries to get his life back on track, until his ex-wife Neesee is forced to move in with him after her apartment burns down. Meanwhile, looking to get back into the game, Dirk talks Robert into going to a meeting to pitch a new talk show.
To get out of the rut of their non-existent love lives, both Robert and Neesee venture into the online dating scene, but they're surprised by the matchmaking results when it comes time to meet their Internet romances in person. Meanwhile, Dirk relies on advice from 6-year-old Bobby, Jr. to help with his current relationship problem
After being sent to a prestigious all-white private school, Bobby Jr. returns home declaring he wants to be white, and Robert and Neesee must educate their 6-year- old son on why he should be proud to be black. Meanwhile, after members of a focus group for Robert and Dirk's television show mention that Dirk is too skinny, he starts going to a personal trainer. Congresswoman Maxine Waters guest stars as herself.
After firing the thieving babysitter, Amanda (guest star Mercedes of "America's Next Top Model"), Robert installs a nannycam to watch the new sitter, but when he discovers Neesee has resumed her old smoking habit, his attempt to get her to quit only leads him to actually pick up the habit as well. Meanwhile, despite Robert's advice, Dirk dates Amanda and his belongings begin to slowly disappear.
Despite warning Neesee about getting involved with a married man, Robert finds himself stuck in the middle of the affair when both her new beau and his wife pay him a visit. Meanwhile, Dirk is excited about the baby-making process with Jonelle, but he's caught off guard by how calculated she is about the right time to conceive
Robert asks Neesee to pretend that they're still married for the benefit of his dying aunt, who he never told about their divorce, but when she comes face to face with the woman on her deathbed, an overwrought Neesee just can't keep up the faade. Meanwhile, after running into an old flame who doesn't remember him, Dirk decides it would be a good idea to date her again
When Dirk falls hard for Robert's younger sister, Carmen, Robert and Neesee intervene after catching her in the arms of Nick, and the two force Carmen to tell Dirk the truth. Meanwhile, much to Neesee's chagrin, Carmen brings Bobby a pet frog, but when it gets loose in the house, everyone scrambles to find it before Neesee does.
When Neesee borrows Robert's new assistant without his permission, it triggers an escalating feud between the former spouses over how they take each other for granted as roommates. Meanwhile, after Robert encourages him to spice up his social studies report by turning it into a rap, Bobby is inspired to become a rapper and begins to call himself Lil' B.
When Robert starts dating Bobby's new karate teacher, Kammy, the bond between father and son is tested as Bobby, who also has a crush on her, decides to make his own move to win her over. Meanwhile, in an effort to impress a new lady love, Clarinetta, Dirk turns to Neesee for help in the kitchen with some last-minute cooking lessons
Believing that his relationship with Andrea is not exclusive, Robert accepts a date with attractive segment producer Michele, but when Andrea tells him she wants to get serious, Robert has trouble breaking it off with a clingy Michele. Meanwhile, fearing that Bobby isn't her baby anymore, Neesee decides to get involved with some of the "boy" things he likes to do and ends up on a fishing trip with Bobby and Dirk
Neesee hosts a charity bachelor auction where she bids on a date with an eligible, handsome and rich doctor(Charles Malik Whitfield) but the date doesn't go as she planned. Robert pays Neesee to bid on him, so he can avoid going on a random date, but a mystery woman outbids her. Meanwhile, Bobby goes on a "date" with Dirk, when he is the only one to bid on him.
Robert comes to the aid of a stranger, Eva, when her purse is being stolen on the street and the pair end up hitting it off. After a series of dates, Dirk realizes that he knows her from a night club he frequents and confronts Robert with the news. Meanwhile, Neesee encourages Bobby to be friends with an unpopular girl in his class, resulting in a unique friendship between the two
After Robert and his sister Carmen learn that the man who raised them isn't Robert's biological father, Dirk and Robert decide to track the real man down. After spending some time with his biological father, Robert discovers a shocking secret about him. Though Bobby tries to hide the fact that Courtney invited her boyfriend over to the house while Neesee was working, Neesee quickly discovers the two are hiding something
Robert grounds Bobby from attending his field trip for being disrespectful to Dirk, but Neesee feels Robert may have gone too far and secretly takes Bobby on the trip. When Robert finds out that Neesee went behind his back, the two agree to stand together when disciplining Bobby in the future. Meanwhile, Courtney brings her new boyfriend home to meet Dirk
Neesee and Robert are both excited to learn that her new condo is ready, but Bobby tells them he doesn't want to go back and forth between houses. Robert and Neesee decide that the only solution is for Bobby to continue living at Robert's home while he and Neesee take turns living in her condo. Dirk is sent into a frenzy when Courtney develops a crush on an older man from his offic
Bobby cheats on his aptitude test and suddenly find himself in the gifted students' program. Robert and Neesee are thrilled with Bobby's book smarts and encourage him to participate in the school's annual academic competition. Meanwhile, Neesee's new friend and neighbor, Michelle, sets her up on a date with a guy who turns out to have a weird fetish
During his 15th college reunion weekend, Robert finds himself attracted to Deborah Calhoun, a professor he had a crush on back in his college days. Hoping to meet an eligible bachelor at the reunion, Neesee reconnects with Fitz Escoffrey, a national television sports reporter. Robert believes Fitz stole his successful career when he tripped Robert during a college basketball game and made the game-winning basket. Wanting to settle the feud, Robert challenges Fitz to a one-on-one basketball game, but injures himself before the game while trying to romance Professor Calhoun
Neesee realizes she wants to have another baby and visits a fertility clinic to research potential sperm donors. When she finds the donor she prefers, she decides to meet the guy face-to-face. Meanwhile, Robert and Dirk spend an evening hitting on women, and Dirk finds success when he meets Jill. Tensions between Robert and Dirk escalate when Dirk is continuously late to work.