Zed e Addison scoprono i mondi in guerra di Sunnyside e Shadyside durante un viaggio estivo dopo il primo anno di college, incontrando due nuovi gruppi di mostri.
Zed vuole una borsa di studio mentre Addison si prepara per la Seabrook International Cheerleading Competition. Poi all'improvviso compaiono degli alieni, sfidandoli a una competizione più che amichevole.
Nell'ultimo anno di scuola di Zed e Addison, Seabrook è diventato un paradiso per mostri e umani, ma quando degli outsider intergalattici competono nel Cheer-Off, Seabrook sospetta che potrebbero desiderare qualcosa di più.
Zombie e umani vivono ormai pacificamente e la storia d'amore tra Zed e Addison procede a gonfie vele. Ma mentre la coppia si prepara al ballo della scuola, in città arriva un gruppo di licantropi pronto a riportare il caos a Seabrook.
The adventures of 15-year-old Rhea Kumar, who lives with her tight-knit multigenerational family and realizes that her true passion is to be an EDM DJ.
Using A-Spen's alien time warp technology, Zed and Addison start their senior year all over again, so they can redo it with all their friends; Zed creates a new drink called zoda that turns the entire school into zoda-obsessed zombies.
Eliza and Bucky compete to see whose vending machine is better; Zed and Addison use their free period to help the stressed-out A-Spen learn to let loose.
When Willa's favorite boots go missing, she teams up with Lost 'n Found Detective Bree to track them down; Zed and Addison's clones turn on them and try to steal their lives.
Wynter and A-Spen start a band, but they must reconcile their differing musical visions; Willa and Bucky put Wyatt through an "alpha-dog boot camp" to help him win over Eliza.
Bucky turns the school into a Bucky-themed dystopia; when Bonzo discovers mysterious blueprints in the diner, he becomes possessed by the desire to build a Spaghetti Waterfall.
Addison is determined to help Dae, the quirky new witch at school, feel welcome; Zed and his little sister Zoey must team up to fight a monster hunter.
The stress of directing the school play causes Addison's alien energy to fritz; Wyatt teams up with Eliza to help him keep a secret from the wolf pack.
Bucky adopts a zombie dog named Barky to boost his followers online; Wyatt teams up with a monster who promises to help him get over his fight with Eliza.
Worried that they're drifting apart, Addison and Bree set out to rekindle their BFF connection; Addison and Zed open a supernatural pet-sitting business.
Zed watches funny videos on ShrimpTok and ends up having to save humanity; Dae and Bree use dark magic to prove they are their favorite band's number one fans.
