Which Era Did Eiji Tomari Arrive in?

Which Era Did Eiji Tomari Arrive in? (泊エイジはいつの時代にたどり着いたのか) is fourth and last episode of Kamen Rider Drive: Movie Roadshow Commemoration! 1 Minute Stories, a set of short movies to promote the film Kamen Rider Drive: Surprise Future. It aired after episode 41.