In Z-O-M-B-I-E-S 3, Zed and Addison are faced with a new threat when extraterrestrial beings called Moonstone aliens arrive in Seabrook. The aliens have come to Earth in search of a powerful energy source that they believe is located in Seabrook. Zed, Addison, and their friends must team up to stop the aliens from destroying their town and stealing the energy source.
As they prepare for the international cheer-off competition, Zed and Addison also have to navigate their relationship and figure out where they stand as a couple. Meanwhile, the arrival of the aliens puts a strain on the integration between humans and monsters in Seabrook, leading to tension and conflict between the two groups.
Z-O-M-B-I-E-S 3 features catchy musical numbers, high-energy dance routines, and plenty of action and adventure as Zed and Addison face their biggest challenge yet. The movie explores themes of identity, friendship, and acceptance as the characters work together to save their town and each other.