Who Can Prevent the Dark Christmas Eve?

Who Can Prevent the Dark Christmas Eve? (暗黒の聖夜を防ぐのはだれか Ankoku no Seiya wo Fusegu no wa Dare Ka) is the eleventh episode of Kamen Rider Drive. It is the debut of the Shift Cars Deco Traveller, Road Winter, and Colorful Commercial, Kamen Rider Mach, the new Roidmude general Medic, and Chase's other identity, Proto-Zero, marking his identity spotted by Mr. Belt through seeing his plat number will be unveiled in some later episodes.

Plot
When it is discovered that Volt is trying to cause a blackout on Christmas Eve to further the Roidmudes' plans, Shinnosuke and Kiriko race to stop them.