Fuji TV had broadcast the popular color series "Jungle Emperor" (ジャングル大帝 - "Janguru Taitei") in 1965, but this would not have been filmed in color at all without the pre-sale of the series to U.S. distributor NBC Films for broadcast in the United States as "Kimba the White Lion" (on the NBC Network which, at the time, insisted that it be supplied color programming by its distributors, the network using color as a promotional tool to attract both sponsors and viewers alike).