A-spen, A-li (Kyra Tantao) and A-lan (Matt Cornett) reveal their true reasons for arriving in Seabrook. They head home to their Mothership (voiced by RuPaul) where Zed helps them with his knowledge of Seabrook, whereas Addison mistakenly is beamed up to the Mothership. They take a risky move, as they are almost caught by the werewolves. They learn that the moonstone interferes with their alien powers, and is therefore lethal to them. Meanwhile, the aliens inspect the moonstone scanning it for coordinates. At cheer practice, the cheer team is threatened after witnessing the aliens practice their cheer. A-spen meets Addison, whom they reveal to that they are in love with Zed. Zed, in return for the aliens altering his report card, helps the aliens identify the moonstone. The aliens beat Zed's records, both athletic and academic, and lower his chances of entering college. Eliza (Kylee Russell), who is currently interning at Z-Corp, the maker of the Z-bands, helps Zed with his exceptional scholarship, which is what A-spen had discovered earlier. The aliens interrogate the werewolves and scan their minds with their Luma Lenses.

The aliens settle into Seabrook temporarily. The werewolves (Chandler Kinney, Pearce Joza, Ariel Martin) are extremely distrustful of these intergalactic newcomers. While in interrogation at the Z-Patrol, A-spen (Terry Hu) finds a loophole so Zed can get into college. To cover up their real purpose, they claim to be here to compete in the National Cheer Off, which Addison previously had organized. The aliens are here, and unbeknownst to the town, they are here to locate an interstellar map to Utopia, a perfect new home for their species. But, just as the team gets ready to leave, a UFO causes a slightly destructive energy surge, and the aliens invade. If they win, Seabrook's going to have their first zombie/monster recruited, therefore bringing down a barrier for all other monsters. The story begins at night, and there is a highly anticipated football game. Addison (Meg Donnelly) has been accepted into Mountain College, and Zed (Milo Manheim) is pursuing an athletic scholarship at Mountain College and is hoping to join Addison. PlotĪfter the last cliff-hanger in Zombies 2, werewolves, humans, and zombies coexist. Though they begrudgingly allow the Aliens to stay for the competition - the monsters and humans of Seabrook grow suspicious when they discover that the Aliens may be looking for more than a friendly competition.

Addison is excited to mark the opening of the town’s brand new “cheer pavilion” by inviting cheer teams from all over the world to compete in an “international cheer-off.” However, the town is shocked by the arrival of a new group of intergalactic outsiders - Aliens, who show up to compete in the cheer-off.

Zed is on the cusp of receiving a football scholarship and becoming the first Zombie to ever attend college (and he’s excited to join Addison who has already been admitted). The town has finally accepted monsters as a part of Seabrook and has become a safe haven for monsters and humans alike. It’s Zed and Addison’s final year at Seabrook and things are better than ever.

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