Kishiryu Sentai Ryusoulger is a Japanese tokusatsu drama and the 43rd entry of the Toei Company's long-running Super Sentai series. Although the series primarily aired in the Reiwa era, it is considered the final Heisei era series as it began airing during it. It is also the fourth and final Super Sentai series to utilize the motif of dinosaurs, as well as the only one to utilize the motif of knights.