The World is in Total Darkness (世界は真っ暗闇 Sekai wa Makkura Yami) is the first episode of Yatterman Night. It first aired on January 11th, 2015.
Summary
Outside of the prestigious Yatter Kingdom is a country of poverty. There, a young girl named Leopard learns that her mother, Dorothy, and her two close friends, Voltkatze and Elephantus, are direct descendants of the Doronbo Gang, whose battle against the Yattermen long ago led to their people becoming exiled and living in poverty. Dorothy encourages Leopard to become a good girl and not become a villain like her descendants. However, on the day of Leopard's ninth birthday, Dorothy develops an illness that cannot be treated with their country's medicine. Wanting to save her mother, Leopard goes with Voltkatze and Elephantus to try and get some help from the Yatter Kingdom, only to be attacked by the current Yattermen, who are shown to be cruel unlike their heroic ancestors, leaving them unable to prevent Dorothy from succumbing to her illness. Deciding the Yatterman are not the heroes she admired, Leopard forges a new Doronbo Gang with Voltkatze and Elephantus to get revenge on the Yatter Kingdom.