Only one monster can actually keep the science fair trophy, but in order to win the prize the Mighty Mighty Monsters must put aside individual competition and create a winning team.
Vlad the vampire is having a really bad day, and it looks like Alexander the gremlin may have accidentally cursed him by following him around, but gremlins can bring good luck as well as bad.
Abbey, the abominable snow kid, has moved to Transylmania bringing the snow and cold of winter with her, and although she is nice the Mighty Mighty Monsters start to worry that spring will never come.
The thirteenth annual Scarefest fair in Transylmania is not attracting many visitors, but the monster friends--Vlad, Milton, Talbot, Mary, Frankie, and Igor--have a plan to save it.
When he discovers a magic lamp with a wish-granting genie inside, Talbot the werewolf sees a chance to get out of summer school and his homework assignment.
Before the monsters can play Hide and Seek, they need to make some rules. No flying like a vampire bat, no sniffing like a werewolf, and absolutely no magic!
