Auf der Suche nach einer Leihmutter, treffen Bryan und David auf Goldie, die gerade mit ihrer Tochter Shania vor ihrem altem Leben flieht und in der neuen Stadt versucht Fuß zu fassen.

Shania versucht sich an die neue Umgebung zu gewöhnen. David und Bryan denken an ihr erstes Treffen zurück und beschließen einen Abend wie in alten Zeiten zu verbringen. Jane entdeckt etwas beunruhigendes im Zimmer der Jungs und versucht Georgia zur Rückkehr nach Ohio zu bringen. Rocky vermutet, dass Shania sich daneben benimmt.

Bryan ignoriert Davids Ratschlag und kauft Unmengen Babysachen. Zuhause stehen sie vor einer Herausforderung. Shania trägt die Babysachen in der Schule und schließt eine neue Freundschaft, was Goldie in eine unangenehme Situation bringt.

Shanias nachgestellte Präsidentschaftswahl in der Schule löst in der WG heftige politische Diskussionen aus, als die Jungs herausfinden, dass Goldie vorhat, nicht für Barack Obama zu stimmen. Die beiden setzen alles daran, Goldies Meinung zu ändern, auch um der überzeugten Republikanerin Jane eins auszuwischen.

Während David ein Familienessen plant, um seiner Mutter Francis von dem neuen Baby zu erzählen, äußert Bryan Goldie gegenüber sein Mitleid für deren Schwiegermutter-Trouble. Zwischenzeitlich realisiert Jane, dass sie auch in ihrem Alter immer noch in der Lage ist, Männer zu verführen. Nach einer nächtlichen Begegnung mit einem jüngeren Mann und einem ungewöhnlichen Erlebnis sucht sie aber David auf, um ihn nach medizinischem Rat zu fragen. Aus Angst, dass ihr Vater den Sorgerechtsstreit gewinnen könnte, fängt Shania an, ihre „California-To-Do“-Liste abzuarbeiten.

Shania verkündet, dass sie und ihr Klassenkamerad Wilbur sich verlobt hätten und nun eine imaginäre Hochzeit feiern wollten. Bryan ist begeistert von der Idee und nimmt sofort die etwas unfreiwillige Hilfe von Rocky in Anspruch, um das Event der Saison zu planen. Goldie unterstützt ihre Tochter und deren blühende Fantasie. Jane jedoch setzt alles daran, die Zeremonie aufzuhalten. Später erst merkt David wie wichtig Bryan das Gelingen der Party ist und er ringt sich zu einer lebensverändernden Entscheidung durch

David und Bryan wollen Pateneltern für ihr Baby. Shania macht sich Sorgen über die Zukunft ihrer Beziehung zu den Jungs.

Bryan begeht Halloween wie jedes Jahr: Er dekoriert das Haus, damit die Nachbarn neidisch werden und fährt mit seiner besten Freundin Nicole Richie auf eine Kürbis-Farm, um dort nach Prominenten Ausschau zu halten. Außerdem schreibt er mithilfe eines Makeup-Künstlers allen anderen vor, welches Kostüm sie zu tragen haben. Als er jedoch darauf besteht, dieses Jahre solle das Motto der Halloween-Party „Honey Boo-Boo“ sein, wehrt sich David vehement dagegen und kommt in einem Tom-Brady-Outfit.

Goldie reibt sich unterdessen weiter in dem Sorgerechtsverfahren um Shania auf und Clay macht eine schockierende Ankündigung, die Jane beinahe überschnappen lässt.

After recalling the disastrous dinners of Thanksgivings past, Bryan, David, Goldie, Shania and Rocky decide that this year they are going to enjoy the holiday with their new family. Later, after realizing the horrible fates of the turkeys at the farm a sensitive Shania and Bryan pardon all of them and take them home as new pets. The move prompts a meat-free dinner menu and in the spirit of the pardon encourages everyone to invite over family and friends that they need to make amends with. David invites his mother and his father, while Bryan extends an olive branch to Jane, Goldie reaches out to Clay and Rocky puts aside her political differences with her brother Clint. Though the pre-dinner festivities seem to be cheerful it doesn't take long for personalities to clash and for this Thanksgiving to go to the birds.

Bryan and David accidentally learn the baby's gender; Shania's performance at a school assembly reminds Goldie she has dreams to pursue; Shania gets suspended.

Bryan and David start fighting after David hires a woman to baby-proof their home; the family discovers eggnog has a pleasant effect on Jane; Bryan and Jane attend a party.

Bryan and David discuss their future and how big they want to grow their family. The conversation leads them back to Expanding Families where Gary reveals that he wants a family of his own but he can’t seem to find the right guy. Bryan and David play matchmakers and set him up with Bryan’s ex-boyfriend and legendary party boy Monty, but their plan leads to more than they bargained for when Monty asks Goldie to be his surrogate. Elsewhere, Rocky and Jane help Shania deal with some mean girls.

After a failed attempt at finding a nanny, Bryan and David contemplate the idea of a stay-at-home dad. Both express interest in the role and decide to practice parenting by sending Goldie to a spa and taking in Shania. Bryan, convinced that he is the man for the job, gives Rocky a shot at her dream career by leaving her in charge at "Sing," but he soon finds that producing a child's life is much more difficult than producing a television show. Later, David confidently takes over and quickly realizes that despite his best intentions parenting is not an exact science.

When Shania meets Rocky's new crush, Chris, she claims that her 'gaydar' is going off and that Chris might be more interested in men. Elsewhere, Jane is wondering if her fellow realtor, Brice, is just a fashionable guy or if he is into fashionable guys. Bryan decides to throw a dinner party that doubles as a Gay or Straight fact-finding mission. Meanwhile, David is struggling with how the world will treat their future son.

Bryan wishes to have a natural connection to his baby-to-be. Later, Shania is upset to learn that her mother didn't breast-feed her when she was a baby, and Jane sets out to woo her sightly colleague.

Bryan and David get a preview of the highs and lows of parenting when their beloved puppy has a veterinary emergency. Meanwhile, Goldie meets with Shania's teacher after a class disruption; and romantic feelings between Clay and Goldie are reignited.

The gang wants to throw a baby shower for a reluctant Bryan and David, who decide to donate all their baby gifts to an adoption agency. Meanwhile, Clay and Shania agree to stage a surprise shower for Goldie.

Bryan basks in the Halloween spirit by decorating the house, going to a pumpkin patch to spot celebrities and ruling over everyone's costumes. David finally rebels when Bryan insists on having a Honey Boo Boo theme.

Despite Bryan’s concerns, David, a former Eagle Scout, jumps at the chance to chaperone a Boy Scout overnight with his friend’s son. His skills earn him the respect of the other fathers and scouts, but when one father disagrees with his lifestyle, David’s Boy Scout membership is revoked. Elsewhere, Rocky is helping Goldie sort out her secret crush on Brice. Bebe Wood also stars.

Bryan and David are facing the hardest decision of their relationship, what to name their baby. The conflict prompts Goldie to reveal the origin of Shania’s name leading to brief identity crises for both of them. Later, While breezing through their wedding planning, David suggests that Bryan invite his mother Colleen, but her added opinion leads to more conflict and an unusual resolution. Meanwhile, Clay decides it’s time to let Goldie know how he feels, after receiving some unsolicited advice from Brice.

The wedding is finally here and despite all of the challenges that pop up throughout the day, Bryan (Andrew Rannells) and David (Justin Bartha) are dead set on getting married before the arrival of their baby, but their son has other plans.