A rift appears in space-time, trapping Mari, Mikage, and Dr. Hayase in Edison's warehouse. With Hayase's lab experiencing a meltdown, will the trio make it back to the future?
All I knew about Edison's 
inventions were the light bulb,
Los inventos que conocía de Edison
son la bombilla de luz,
Das invenções, eu só conhecia a lâmpada,