While attempting to help Frankie Stein learn more about her freakycool scaritage, the fashionably fierce ghoulfriends travel back in time to the first day ever of Monster High! There, they meet Sparky, a skullastic teen with an obsession for creating life. But when Sparky follows the ghouls through a killer time portal to modern-day Monster High, the event results in eight of them fusing together into four creeperiffic hybrid Monsters. Now, they'll really have to work together to control their bodies in the big Bitecentennial Play and stop one of Sparky's experiments from destroying imperfectly perfect Monster High!

在嘗試幫助弗蘭基·斯坦了解更多關於她的freakycool scaritage的時髦激烈ghoulfriends出差回來的時候有史以來怪物高的第一天！在那裡，他們遇見斯帕克一個skullastic青少年與痴迷創造生活。但是，當斯帕克通過如下一個殺手時間門戶現代怪物高食屍鬼，對其中八時結果融合在一起成四creeperiffic雜種怪物。現在，他們會真的要共同努力來控制大Bitecentennial玩自己的身體，並停止對斯帕克的實驗，一個來自不完全破壞完美的怪物高！