Idaten: Tokyo Orinpikku-banashi (いだてん〜東京オリムピック噺〜, Idaten: The Epic Marathon to Tokyo) is a Japanese historical drama television series and the 58th NHK taiga drama. It stars Nakamura Kankurō VI and Sadao Abe as marathon runner Shiso Kanakuri and swimming coach Masaji Tabata respectively. It began broadcasting in 2019 as part of the lead up to the 2020 Summer Olympics for which NHK was, under the Japan Consortium, principal co-host broadcaster. This drama marks the 55th anniversary of the 1964 Summer Olympics, which the NHK broadcast. It is the second post-war taiga drama in NHK history (the first was Inochi: Life in 1986) and the last series to premiere in the Heisei era and the first series to air during the Reiwa era. The series received an average rating of 8.2%, the lowest in history for a taiga drama.