Kousoku Sentai Turboranger Season 1 Episode 40 Walk! Child of Shikoku ( Air Date 1989-12-01 ) Genre Sci-Fi & Fantasy, Action & Adventure category. Overview "Five high school students transform into Turborangers to defend the Earth from the Boma Hundred Tribes, who awoke from a 20,000 year-long sleep. They engage in battle using weapons developed by Doctor Dazai.".