During the final episode pre-screening event on Friday, it was announced that Double Decker! Doug & Kirill TV anime will get three extra episodes. Titled Double Decker! Doug & Kirill: Extra, the three episodes will be streamed via Bandai Channel and other streaming websites between February and April 2019. The Blu-ray and DVD for the extra episodes will also be released on May 24, 2019.
The new TV special will be about the battles against Jigen, who aims for Lupin who searches for the treasure. Goemon, who is angry because he cannot forgive betrayal of Jigen, will fight along with Lupin against the strongest enemy in the history.
Episode 0 of Mini Toji. Kanami and Mihono are self-aware that they are in an anime and introduce/recap the Toji no Miko story so that viewers can enjoy Mini Toji the following week even if they haven't watched the original.