Zorn is a warrior and defender of the South Pacific Island of Zephyria. Following a recent battle against his enemies, Zorn travels to California to reconnect with his son Alangulon (aka "Alan") and discovers that his ex-wife Edie is engaged. Upon realizing Alan hates him for being mostly absent from his life, Zorn decides not to return to Zephyria and gets a job in town at Sanitation Solutions.

Guest starring: Lori Alan as the voice of Laseron, Jess Harnell as the voice of Skunk Man, Tony Revolori as Scott, Rob Riggle as the voice of Headbutt Man

Zorn uses the Stone of Sight to help Alan get close to his crush, Nancy. Even though Alan sees this as stalking, he can't help but work it to his advantage. Meanwhile, Edie pushes Zorn to move his boxes out of her garage and into his apartment.

Guest starring: Alice Lee as Nancy, Mark Proksch as Todd, Tony Revolori as Scott, Horatio Sanz as Uber Driver

When someone steals hot sauce from Sanitation Solutions' break room, Zorn attempts to fight back with his co-workers in his own style of fighting. Meanwhile, Alan tries to get out of a swimming session in gym class for fear of exposing his secret, while getting bullied by a student named Warren. In the process, Alan learns something about himself that he never knew.

Guest starring: Bryce Johnson as Derek, Bobby Lee as Jakton, Noah Munck as Warren

Zorn tries to be a "cool dad" when Alan spends the weekend with him, but things take an unexpected turn when Alan's friend Jeff shows up.

Guest starring: Nyima Funk as Shirley, Cameron Monaghan as Jeff, Mark Proksch as Todd, Tony Revolori as Scott, Cedric Yarbrough as Bill

Zorn tries to teach Alan about his Zephyrian culture. Meanwhile, Edie goes to war with her new neighbors over their talking garden gnome.

Guest starring: Jess Harnell as the voice of the Animal Pelts, Clara Mamet as Layla, Nate Mooney as Frank, Mark Proksch as Todd, Tony Revolori as Scott

After seeing Alan and Craig bond over their favorite video game, Zorn uses his body double dummy "Mecha-Zorn" to sneak out of work and wait in line with Alan for the latest game in the series. Meanwhile, Edie and Linda use "Mecha-Zorn" to let out their frustrations with the real Zorn.

Guest starring: Beth Dover as Bridget, Mark Proksch as Todd

Following a pep talk with Linda, Zorn crashes Edie's Thanksgiving dinner to prove to her mother that he's matured, only to hear her views on Zephyria. Meanwhile, Alan tries to butter up his grandmother so she'll pay for his summer music camp.

Guest starring: Sarah Koenig as Narrator, Nick Offerman as the voice of Dr. Klorpnis

Zorn's old friend Headbutt Man is visiting from Zephyria, except that he's now sober and dating Edie's former co-worker, Elizabeth. Meanwhile, Alan is invited to a party being attended by his crush Layla, where he has to bring Headbutt Man's daughter, Headbutt Girl.

Guest starring: Jillian Bell as the voice of Dorothy Clementina / Headbutt Girl, Alex Borstein as Elizabeth, Brian Huskey as Josh, Clara Mamet as Layla, Mark Proksch as Todd, Rob Riggle as the voice of Headbutt Man

Torn between celebrating Edie's Christmas and Zorn's Grafelnik, the Zephyrian holiday of revenge, Alan discovers he can use both holidays to pit his parents against each other and get better presents. Meanwhile, Craig works to face his fear of Santa Claus.

Guest starring: Mark Proksch as Todd, Tony Revolori as Scott

Edie and Craig are having an engagement party, which they invite Zorn and Linda to. In need of a plus one, Zorn calls his radioactive ex-girlfriend from Zephyria, Radiana, to be his plus one and tries to keep her calm to avoid a radioactive meltdown. While worried about Alan's musical glass performance, which he is going to do in front of everyone (including Layla), Edie has been noticing that Zorn making out with Radiana has been having some radioactive side effects on him.

Guest starring: Clara Mamet as Layla, Olivia Wilde as the voice of Radiana

To go swimming with Layla, Alan takes a drug that changes animated Zephyrian bodies into live-action. But when the free sample runs out, withdrawal turns him completely animated. Craig trains with Zorn, hoping to provide everything Edie needs. Sanitation Solutions' CEO Blake Erickson demotes Linda, replacing her with a sycophantic Todd. Zorn realizes that Linda, no longer his boss, is a woman. Edie and Zorn share a tender moment when he sensitively helps Alan accept himself; Alan reveals his real legs to Layla, who accepts him with a kiss, while Craig leaves Edie and encourages her to be with Zorn. Edie goes to Zorn's apartment, and finds him in bed with Linda.

Guest starring: John Marshall Jones as Blake Erickson, Clara Mamet as Layla, Nick Offerman as the voice of Dr. Klorpnis, Mark Proksch as Todd, Gary Anthony Williams as the voices of Reverend and Sir Pent

Craig has not been in contact with Edie for days, following Alan's Zephyrian drug incident. Edie enlists Zorn and Linda to help find him. Meanwhile, Alan allows his animated legs to be shown in front of his classmates, who are impressed with them. Alan's powerful animated legs lead to the football coach asking Alan to join the football team when his lead kicker gets deported.

Guest starring: Pete Gardner as Football Coach, Tymberlee Hill as Diane, Clara Mamet as Layla, Isiah Whitlock Jr. as Robert

Edie and Craig get ready for their wedding. Zorn is determined to show his commitment to living in Orange County by selling off all of his Zephyrian weapons at a yard sale, despite his Zephyrian allies wanting him to return to help fight off Lord Vulchazor's forces. As Layla doesn't want to talk to Alan after he ditched her for the football team, he receives help from Zorn in order to find a way to get back together with her. At the same time, Linda works to impress CEO Blake Erickson enough for her to get her old position at Sanitation Solutions back, after Todd resigns. After getting back together with Layla on prom night, Alan finds out that he is pregnant due to his Zephyrian heritage. In the final scene, Zorn gets captured by Lord Vulchazor's forces and ends up on a freighter ship sailing toward Zephyria, where Lord Vulchazor is unaware that the Staff of Quiv which he is looking for has been sold at Zorn's yard sale.

Guest starring: Fred Armisen as the voice of Lord Vulchazor, Jess Harnell as the voices of Demon Spirits and Mudman, Keegan-Michael Key as the voice of Gobos the Great, Clara Mamet as Layla, Mark Proksch as Todd, Lakshmi Singh as herself, Giorgia Whigham as Shannon