What Can Be Spoken By the Irregular Dead? (不揃いの死者たちはなにを語るのか Fuzoroi no Shisha-tachi wa Nani o Kataru no ka) is the twenty-first episode of Kamen Rider Drive. It is the debut of Mashin Chaser's Triple Tune form. Also, a glimpse of Drive Type Formula is seen near the end of the episode.