Riley is confined to the couch with the baby due any second while Tucker tries to help Danny decide what to buy her as a “push gift.” Ben begins to feel like an insufficient parent when Emma’s upcoming mother-daughter talent show leads Emma to ask questions about why she doesn’t have a mother.

Ben forgets Emma’s birthday and attempts to combine her birthday party with a beer stand at the neighborhood street fair, but doing both at the same time proves rather difficult. Danny and Riley come to a crossroads when they are both offered new career opportunities. Bonnie and Brad must decide how to move forward once Brad returns home from his spiritual quest with a new outlook on life. Tucker cannot seem to get anyone’s attention as he processes through some exciting news of his own.

Ben and Riley learn the truth about Danny's feelings for Riley; Danny considers moving to Paris.

Ben learns why Riley doesn’t like celebrating her birthday and it’s all his fault. He knows he needs to make it up to her and plans a perfect birthday surprise, but in typical Wheeler fashion, disaster ensues. Bonnie realizes she may have made a mistake in filing Emma’s parental rights paperwork and Ben doesn’t officially have sole custody. Bonnie enlists Tucker’s help in tracking down Emma’s mother, Angela, to re-sign the papers. Meanwhile, Amy calls Danny on his lingering feelings for Riley.

Ben takes Bonnie to see Bon Jovi to thank her for everything she does for him and Emma.

Riley starts a new romance. Meanwhile, Bonnie wants to rekindle things with Brad, so she asks for Tucker's assistance.

Ben and Tucker swap names while pursuing a woman. Elsewhere, Riley runs into a former rival and enlists Danny in a revenge scheme; and Bonnie gets Tucker to assist her in creating a slogan for her new business.

Phillip may lose his visa thanks to Ben. Meanwhile, Danny dates a sports reporter; and Tucker adopts a phony British accent to impress women.

When Ben receives an anonymous note from a past love interest asking for a second chance, he does whatever he can to find the mystery girl. Danny misunderstands a note he thought was left for him and tries to get Riley back. Tucker, Riley and Bonnie enter Emma into a baby beauty pageant to get footage for Tucker’s news segment, but Riley goes too far.

Bonnie sets Ben up on a date with an energetic gal who's similar to herself. Elsewhere, Danny gets his dad's cherished car out of storage, but problems arise when Riley and Tucker take it for a spin.

Tucker pretends to be a lawyer in order to please his dad, and Ben helps with the charade. Meanwhile, Riley develops a crush on a British guy, but Bonnie mistakenly thinks she's fallen for Danny; and the gang's trip to a Renaissance faire goes badly.

Tucker scores Danny an interview on the Mary Hart Show.

Riley tries to figure out who her biological father is and comes up with two candidates. Elsewhere, Tucker blames his dad for his parents' impending divorce, so Bonnie attempts to help by getting Tucker's father to be less rigid.

Riley questions her future after taking the bar exam. Meanwhile, Amy takes a pregnancy test, while Danny tries to win over Amy’s father, who clearly dislikes him.

Ben meets someone new, and Riley has a surprising reaction to Danny’s proposal.

Ben corrupts Ross by spending too much time with him, which infuriates Riley and leads her to declare a war in which Ross—unbeknownst to him—is the prize. Meanwhile, Bonnie wants to join the guys' poker game.

Danny and Ben are eager to find out the sex of Riley and Danny’s baby, even though Riley would prefer it to be a surprise. In their quest to find the truth, the brothers create a chain reaction of mix-ups. Meanwhile, Riley fights for Brad’s innocence in his final trial, and Tucker auditions to be in a new courtroom reality series.

Ben discovers an endorsement opportunity for Danny with a new brand of Japanese energy drinks. Against Bonnie's advice, Ben convinces Danny to sign the deal, but he must pick up the pieces when things go haywire at Danny's commercial shoot. Meanwhile, Riley takes an interest in volunteering and accepts a job as a candy striper at the hospital.

Ben hopes to rekindle his romance with Riley when he joins her on a train trip to Florida.

Ben, Danny and Tucker end up in jail when their plans to attend a big Halloween party go awry.

Ben's quest to procure Emma the hottest toy of the Christmas season creates ill will; Tucker and Riley help Bonnie with holiday decorating.

Ben is still enthusiastically searching for the mysterious Elle. Danny and Riley are hunting for a good doctor to help with the pregnancy, and Bonnie desperately wants to be involved. Tucker is back from Los Angeles, but refuses to tell anyone what happened while he was there.

In the Season 4 finale, Bonnie's wedding planner quits as her big day draws near, so her best buddy, Charlotte, volunteers to help, but Charlotte has an ulterior motive. Meanwhile, Ben decides to let Danny and Riley have a shot at romantic happiness.

When Ben’s first date with his new lover doesn’t go well, Danny and Riley step in to help sort out the couple’s issues, but their assistance quickly causes more harm than good. Tucker decides to tell his dad about his new relationship with Renee, one of his dad’s co-workers, but panics when he learns that his dad may have feelings for Renee too.

Ben tries to score a second date with Heather in order to win a wager with Riley. Elsewhere, Bonnie asks Danny to end her relationship with Brad for her, and then she becomes interested in Brad's dad; and Tucker uses Emma to improve his dating life.

After Emma accidentally pokes holes in Ben’s stash of condoms, Ben, Tucker and Danny all fear their girlfriends might be pregnant. They discreetly try to find out if there’s anything to worry about while the girls pretend to have pregnancy symptoms to get them to confess the truth.

Ben throws a bash for Emma's first birthday and puts Tucker in charge of entertainment. Meanwhile, Ben encounters an ex-girlfriend who's hiding a big secret; and Danny uncovers shocking news about Riley's family.

Tucker's new girlfriend used to date Ben but doesn't seem to remember. Riley is invited to a spa day with her boss.

Ben tries to get Emma into daycare by flirting with the cute assistant manager, Megan. Megan insists there is no space, until she gets the idea that Ben and Tucker are a gay couple. Ben devises an elaborate plan to "break up" with Tucker in order to have a shot at dating Megan. Meanwhile, Riley worries that Dr. Shaw is trying to change Danny when Danny bails on their traditional "Halfaween" costume party.

Ben attempts to work out who should receive custody of Emma in the event of anything bad happening to him.

The gang reflect on their past entanglements, forgetting to safeguard a cherished item of Bonnie's in the process.

When Ben misses out on seeing Emma's first steps, the rest of the gang try to recreate the moment for him.

Riley goes a bit overboard when she becomes the captain of Ben's softball team.

Ladies man Ben has his life turned upside down when an ex leaves the daughter he never knew he had on his doorstep.

Ben and Tucker both try to hook up with the same woman.

Ben tries to clean up his act by taking a Mommy and Me class.

Ben and Danny gamble on their mom's love life.

A grumpy Ben wishes there was no such thing as Christmas, then is shocked when the fulfillment of his desire not only erases the holiday, but Emma's existence as well.

When Tucker learns that his ex-girlfriend Sondra is newly single, he confides to Ben that she’s the “one that got away.” Ben offers to be Sondra’s rebound to tee Tucker up for success. Bonnie and Riley bond while camping out in a department store to score a sale on a crib. Danny tries to babyproof his and Riley’s apartment do-it-yourself style but seems to break more things than he can fix.

The navy are in town so Ben and Tucker pretend to be sailors in order to score with the ladies.

Bonnie and her old boyfriend Brad are in competion for a huge listing so she decides to seduce him in order to beat him.

Danny prepares to join Georgie in Paris; Ben suspects that Riley may have feelings for his brother; Bonnie begins selling Danny's hockey memorabilia.

Dr. Shaw determines Riley is the cause of Danny's inability to focus on the ice and bans her from Danny's next game. Meanwhile, Riley thinks things are moving too fast with Fitch and starts avoiding him, and gets her hopes up that Danny will make a move. Tucker is up for a promotion at work and his competition turns out to be Ben's latest fling, Jenna.

Ben panics when he forgets his mother's birthday; Danny learns surprising news that overshadows Bonnie's party; Emma is injured while in Riley and Tucker's care.

After witnessing the wrath of Tucker’s boss, Mary Hart, Ben films one of Mary’s rampages intending to show Tucker how badly he’s treated.

Ben and the guys try to come up with the perfect babysitting schedule.

Ben begins to develop romantic feelings for Riley, but his reputation for being an irresponsible playboy works against him. Elsewhere, Tucker attempts to date a model and Bonnie uses Emma to get close to an attractive stranger.

Riley is looking forward to meeting Philip’s sister from England, but her excitement soon vanishes when it becomes obvious that Georgie is less than impressed by her brother’s taste in girlfriends. Danny’s contract negotiations are in jeopardy when Bonnie tangles with the Rangers’ new general manager, Valerie.

Ben's new boss assumes him and Riley are married, so he convinces her to go along with it.

It's Emmas first christmas family photo and Ben wants the whole family on it, including his dad.

Tucker hires Riley to represent him in a lawsuit against a construction company, but his hazy memory makes the case challenging for her. Meanwhile, Bonnie predicts her sons will fail as bar owners, and she attempts to hasten the demise of their business.

Riley knows she has to tell Danny she has feelings for him before his relationship with Robyn gets any more serious.

Ben and Riley try to jumpstart their relationship but Emma's mom, Angela, gets in the way. Tucker tries to help Danny get over his failed relationships.

Megan’s dog is stolen while under Ben’s care. Riley tries to get her old job back with Bonnie’s help.

Ben tries to get a date with a hot nurse treating Emma.

The boys are getting fed up with Bonnie always being at their apartment.

Danny turns to Bonnie's ex Brad for help, as he doesn't want the gang to know what happened with Paris and Georgia.

Ben meets a runaway bride who is convinced that fate has thrown them together in the same way Ben believes he and Elle are meant to be. Tucker and Ben then figure out how to get out of the situation and back into the good graces of the bridesmaids unscathed. Danny and Riley go on their babymoon cruise, but Bonnie decides to tag along after Danny reveals that he hopes he and Riley will elope.

Danny is desperate to make up with Riley after their recent breakup, but she is still furious after learning he hooked up with Sam in high school. Determined to prove that she is not overreacting, Riley puts Danny on “trial” for breaking her heart, with Bonnie acting as Danny’s lawyer. And Ben tries to save face with Zoey after discovering that her ex has returned to get back together with her.

When Danny finds out that Ben is still Riley’s emergency contact, he acts as if Ben and Riley’s relationship didn’t count. So, when Ben attempts to prove that his and Riley’s relationship meant something, things become awkward for Riley and Danny. Meanwhile, Bonnie flirts with someone who’s in power to further her own agenda, and Tucker rekindles an old flame.