"Kamen Rider Kuuga" is a Japanese tokusatsu television series that aired from 2000 to 2001. It is part of the long-running Kamen Rider franchise and follows the story of Yusuke Godai, a young man who transforms into the titular hero, Kuuga. He gains various forms and powers to battle the mysterious Grongi, a race of monsters threatening humanity. The series is notable for its darker tone and more mature themes compared to previous installments. It explores themes of courage, hope, and the struggle between good and evil. "Kamen Rider Kuuga" revitalized the franchise, leading to the production of many subsequent series.