Washimo Special: Chikyuu no Mirai wo Sukue! Washimo vs. Wasija
A grandfather-model robot named Wasija arrives on Earth from space. Wasija transforms everyone into a robot with mechanical bodies in order to "save the Earth." However, now everyone requires oil for energy. Grandmother-model robot Washimo confronts Wasija in order to restore everyone to normal.
[Source: Anime News Network]