Christmas Special: Targeting the Silver X mas! (クリスマス 特別編: 狙われた白銀のX mas！ Kurisumasu Tokubetsu-hen: Nerawareta Shirogane no Kurisumasu!) is the twelfth episode of Kamen Rider Ex-Aid. It features the debut of Genm Zombie Gamer Level X, Ex-Aid Sports Action Gamer Level 3, Brave Santa Beat Gamer Level 3 along with a Christmas version of Ex-Aid Action Gamer Level 1 and the Sports Gamer, as well as two new characters: Masamune Dan and Nico Saiba.
With Christmas around the corner, Emu runs against time to defeat the Salty Bugster again and save another patient, while Kiriya's investigation leads him closer to the truth, but his life is in danger when he faces Kuroto's new power.