No.1 Sentai Gozyuger Episode 38

Why did Kuon become a Ring Hunter? Before him appeared a man who knew the answer to that mystery: Koyo Iwao. To Kuon, Koyo was a benefactor who looked after him and Hoeru in the No One World when they were children. Koyo, now a Ring Warrior, and Kuon engage in a fierce battle for the ring...! The Gozyugers, who stumbled upon this battle between Kuon and Koyo, are suddenly attacked by Ribbon. Ribbon imprisons not only the Gozyugers and Koyo, but even Kuon himself in a mysterious prison! The Gozyugers and Kuon must now cooperate to escape...!? (Source: powerrangers.fandom.com)