In the series finale, 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. Meanwhile, Riley is confined to the couch with the baby due any second; and Tucker tries to help Danny decide what to buy her as a "push gift."
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. Meanwhile, Riley fights for Brad's innocence in his final trial; and Tucker auditions to be in a new courtroom-reality series.
Tucker learns that his ex-girlfriend is newly single, so he and Ben hatch a plan to win her back. Meanwhile, Bonnie and Riley bond while camping out in a department store to score a sale on a crib; and Danny tries to babyproof his and Riley's apartment.
Ben meets a runaway bride who is convinced that fate has thrown them together. Meanwhile, Danny and Riley go on their babymoon cruise, but Bonnie decides to tag along after Danny reveals he hopes that he and Riley will elope.
Ben is jealous when he learns that Bonnie is sending Danny on a cruise to celebrate becoming a dad, so he and Danny hold a "Wheeler War" to see who deserves the trip more. Meanwhile, Tucker and Riley run into Tucker's ex-girlfriend at a Lamaze class, where he fibs about where he's at in life to impress her.
Danny is being overprotective of pregnant Riley, so Ben surprises Riley with a day off and a hike in the woods. Elsewhere, Bonnie learns that her boss may be the reason Brad is in jail, so she schemes with Tucker to gather evidence and set Brad free.
Sam returns in hopes of giving her relationship with Ben another chance, but Ben hesitates because he's still searching for the mysterious Elle. Elsewhere, Danny and Tucker volunteer for a charity ice-skating show that features Emma's favorite princess; and Riley practices parenting.
Tucker is nominated for a prestigious television award, prompting his mom to surprise him as his guest to the ceremony, which throws a wrench in Tucker's plan to have Bonnie pose as his mom. Meanwhile, Riley's pregnancy begins to show, leading her to worry if this will hold her back from being promoted to junior partner.
Ben believes he found a no-strings-attached hookup buddy, but Riley attempts to prove him wrong. Elsewhere, Danny winds up in a wrestling match after running into an old friend who is a professional wrestler and learns Bonnie might have a past with him.
Ben questions whether Tucker is dating a hooker, so he enlists Danny's help to find out the truth. Meanwhile, Bonnie and Brad prepare to set off on their trip around the world, but Brad is arrested by the FBI; and Riley agrees to defend Brad as his lawyer.
In the Season 6 premiere, Riley and Danny seek out a doctor to assist with the pregnancy; and Ben continues searching for his enigmatic dream girl. Meanwhile, Tucker returns from Los Angeles but refuses to tell anyone what occurred while he was there.