[[END]] Boboiboy dan teman-temannya terperangkap dalam dunia paralel tanpa sebuah rancangan. Mereka dipertemukan dengan seseorang yang mirip dengan Boboiboy, benar-benar sama persis seperti melihat pantulan bayangan dari cermin. Namun terdapat satu perbedaan yang sangat menonjol darinya, hal itu tidak dapat diungkapka...
Boboiboy was hiding something; something that would change everyone's lives for the worst. Maybe their leader wasn't so innocent after all...
After an unfortunate event, BoBoiBoy has to encounter his own evil self stopping him to do evil, while Reverse want BoBoiBoy to join him in ruling over the galaxy. What will BoBoiBoy do? Will he able to defeat him? Or will he team up with Reverse? Read this to find out!