The Red and Blue Kikaider (赤と青のキカイダー Aka to Ao no Kikaidā) is the thirtieth episode of Kamen Rider Gaim. It is the debut of Kurokage Troopers's Suika Arms.This episode is a crossover between Kamen Rider Gaim and Kikaider to promote Kikaider REBOOT. It also features a non-Rider form for Ryoma Sengoku as Hakaider. This is the first episode that is not written by series head writer Gen Urobuchi.