Ishinomori Shoutarou no Rekishi Adventure is a two‑part video series that follows Dr. Teng, a researcher at the Time Institute, and his loyal kappa assistant Pasuke as they travel through history. In the first part they visit the Battle of Sekigahara (1600) and then the fourth Battle of Kawanakajima (1561). The second part takes them to the last stand of the Japanese underdog hero Yoshitsune in Hiraizu mi (1189), and then leaps several centuries into the future to cover the first use of firearms by Oda Nobunaga at the Battle of Nagashino (1575). The series blends live‑action and anime and is described by Japanese sources as a “documentary with a touch of story.” It is presumably related in some way to Shotaro Ishinomori’s multivolume m…