Who Does the Warrior Fight For? (戦士はだれのために戦うのか Senshi wa Dare no Tame ni Tatakau no ka) is the sixth episode of Kamen Rider Drive. Following the introduction of Shift Wild in the previous episode, it introduces Shift Mad Doctor and features the debut of Drive Type Speed Doctor, Type Wild, and Type Wild Dump, as well as Tridoron Type Wild.