BoJack Horseman

In 1973, BoJack writes into The Dick Cavett Show while Secretariat is being interviewed, asking what he does when he feels sad. Secretariat tells BoJack to always keep running forward. One month later, Secretariat dies by suicide after being banned from racing. Three months after the release of the book, BoJack wins a Golden Globe and convinces producer Lenny Turtletaub to finally greenlight the Secretariat biopic, with a woman named Kelsey Jannings directing and Andrew Garfield playing the lead. Diane is invited by eccentric billionaire Sebastian St. Clair to document his providing of aid to impoverished countries, which would require her to leave Los Angeles for three months. Todd and Mr. Peanutbutter come up with a series of outlandish business ideas, one of which hospitalizes Garfield and gets BoJack the role of Secretariat. BoJack talks to Diane on her roof for the first time since he approached her at the convention, and she reveals she has been hired to work on the biopic. They discuss the true nature of happiness before BoJack admits he just wanted Diane to like him, and she says that she knew. BoJack visits the observatory where Herb revealed that Horsin' Around was being picked up, where he signs an autograph for a horse fan.Guest starring: John Krasinski as Secretariat

BoJack promises his publisher to write a better book than Diane, but finds himself struggling to start. He, Todd, and Sarah Lynn take drugs together and write a gibberish book, and Todd admits he does not care about the loss of his rock opera because he did not expect anything better from BoJack. BoJack begins to hallucinate visions of Diane and Horsin' Around while trying to reach a conclusion about his self-worth, and he has a flashback to his mother forcing on him the same advice he did Sarah Lynn. He imagines marrying Charlotte, a deer that was close friends with him and Herb, and having a daughter with her, only to finally wake up from his hallucinations. He goes to Diane at a ghostwriter convention and admits her book is excellent. He begs her to tell him that he is a good person; Diane does not respond.Guest starring: Ken Jeong as Dr Hu

Two months later, BoJack has been cast as Mr. Peanutbutter in the movie about the Hollywood Sign and strikes up a relationship with Naomi Watts, who is playing Diane. Todd gains the director's favor and begins changing the movie's script to make BoJack out to be the villain of the story, eventually taking apart the movie entirely. When BoJack confronts him, Todd reveals he had no malicious intentions, but does not forgive BoJack, and Watts explains that she only slept with him to stay in character. Diane shows BoJack her current draft of his book, which he feels does not make him look good and insults it. Angry, Diane gets her ex-boyfriend to publish a teaser from it on BuzzFeed. The teaser receives positive feedback, but BoJack fires Diane anyway.Guest starring: Wallace Shawn as himself, Naomi Watts as herself

Princess Carolyn starts dating "Vincent Adultman", a man who only BoJack recognizes as three boys in a trench coat. Wanting to disrupt the upcoming wedding between Diane and Mr. Peanutbutter, he hires Margo Martindale to stage a bank robbery, but only ends up moving the wedding up and getting her arrested. Todd becomes Mr. Peanutbutter's driver at BoJack's urging, but turns on BoJack when he realizes he was the one who sabotaged his rock opera; he decides not to tell BoJack when Mr. Peanutbutter confesses his doubts about having a third wife. At the wedding, Diane assures BoJack that things are fine between them. BoJack confides in Vincent that he feels as though he many never have the chance to be good again.

In a flashback to the eighties and nineties, BoJack and Herb are bartenders and aspiring comedians when Herb gets Horsin' Around greenlit by ABC, taking BoJack with him and giving him a telescope to signify their bond. As the two grow apart over the years, Herb is outed as gay and BoJack reluctantly lets the network fire him after being offered the chance to play Secretariat in a biopic, which never got made. In the present, BoJack takes Diane with him to prevent him from being alone with Herb, who is very passive-aggressive with BoJack despite clearly sharing kinship with him. Diane encourages BoJack to talk to Herb privately, and he apologizes for betraying him, but Herb refuses to forgive him. BoJack tries to take the telescope and the two fight, the telescope breaking in the process, and he receives the call from Princess Carolyn on the way home. As Diane assures BoJack that he did the right thing by apologizing, he kisses her and she pushes him off.

Princess Carolyn's agency merges with that of her rival Vanessa Gekko, who takes her office and her client. She tries to get BoJack to do a bourbon commercial, but he is more interested in romantically pursuing her, forcing her to get Todd to do it. After Gekko one-ups her multiple times, she finally succumbs to BoJack's advances and goes on a date with him, only for him to get a foreboding call back from Herb and abandon the date, hurting her. She formulates a plot to lure her former client away from Gekko's project, getting Gekko fired and giving her her office back. She gives a director the idea to make a movie about the Hollywood Sign and convinces him to hire BoJack, only to get a forlorn call from BoJack as he returns from Herb's house. As Princess Carolyn looks out the window at a billboard of Todd being put up, her phone wishes her a happy fortieth birthday.

BoJack develops feelings for Diane after returning from Boston, leading him to drunkenly steal the "D" from the Hollywood Sign as a grand romantic gesture. Knowing he needs to get rid of it, he enlists Mr. Peanutbutter for help, only for him to take all the credit for the theft himself. As BoJack leaves an honest, intimate voicemail for Diane, Mr. Peanutbutter privately proposes to her, only to make a big spectacle of it when she accepts. BoJack convinces Diane to delete the voicemail without listening to it when she calls him back. Todd is courted by the Aryan Brotherhood and Latin Kings in prison, only to get them to reconcile their differences and escape when a helicopter returning the "D" crashes into the prison wall.Guest starring: Yvette Nicole Brown as Beyoncé, Chris Parnell as Aryans Gang Member, Horatio Sanz as Latin Kings Leader.

While out east to visit BoJack's publisher, Diane learns that her cruel father has died. She takes him to Boston for the funeral, only for her lazy, immature family to make her pay for it herself and then not bother to show up, having their father's body turned into chum. Diane leaves enraged, but BoJack follows and comforts her, and the two return home. BoJack calls Herb before they leave, but is forced to leave a message. Todd turns BoJack's house into a cash grab by pretending it is the home of David Boreanaz, but is quickly caught and arrested. He calls BoJack in jail, but nobody answers.Guest starring: Ira Glass as Diane's ringtone

In 1985, BoJack meets and befriends Herb while failing at standup. In the present, after Diane questions the origin of his relationship with Todd, BoJack decides to help Todd work on the rock opera he has always been interested in making. When Todd finds actual success and posits moving out, BoJack panics and utilizes Margo Martindale to manipulate Todd into buying an addictive video game, causing him to underperform at an investor's showcase and ruin his potential. Diane's BuzzFeed columnist ex-boyfriend pretends to work on a positive article about Mr. Peanutbutter but really uses it as an excuse to try and get back together with her, warning her that she and Mr. Peanutbutter are incompatible when she rejects him.Guest starring: Margo Martindale as Character Actress Margo Martindale

In flashbacks to BoJack's old show Horsin' Around, he neglects the emotions of his young costar Sarah Lynn and instills in her the toxic message to never stop performing. In the present day, Sarah Lynn is a floundering pop star that BoJack takes in after her boyfriend Andrew Garfield breaks up with her, and she begins to manipulate him through his guilt and desire for a family, allowing her to do whatever she wants. While living with him, she informs him that Horsin' Around creator Herb Kazzaz has terminal cancer. The two end up having sex, and after BoJack realizes he is the one taking advantage of her, he tries to get her help, but she leaves.

BoJack ignites a media firestorm when he fights with a Navy SEAL over a box of muffins and calls the troops "jerks" on live TV. His Persian cat agent and ex-girlfriend Princess Carolyn plans to resolve the issue by making him go on Mr. Peanutbutter's reality TV show and apologizing to the SEAL with replacement muffins, which almost goes poorly until Mr. Peanutbutter unintentionally distracts those present with his antics. BoJack finds Diane on the roof, and she asks him to start being honest about himself when he expresses his disgust with Hollywood's farcical culture, which he promises to do.

Washed-up horse sitcom actor BoJack Horseman seeks to write an autobiography to reignite his fame, but is too lazy to do so, so his publisher assigns him a ghostwriter, Diane Nguyen. Initially unwilling to meet with her, he invites her to a quinceañera his slacker roommate Todd Chavez throws at his house to pay off a cartel, and is surprised to find that they connect. However, he learns that she is dating his longtime rival and fellow sitcom actor, dopey Labrador retriever Mr. Peanutbutter.