Gyan-Gyan! Useless Arranged Marriage Discussion is the thirty-seventh episode of Juken Sentai Gekiranger.
Ran's high society past is revealed when her mother, Reiko Uzaki, arrives to SCRTC. After years of searching, Ran's mother found an ideal husband for her daughter. Ran is forced to undergo a marriage interview to meet her ideal husband, with Jyan and the others attempting to stop the interview. But at the Rin Jū Hall, Long explains to Rio and Mere of the Gen Jūken and how they are destined to become its key members before Mere allows Long to convert her Rinki into Genki. Under Rio's orders, Sanyo sends one of his disciples, Gouyu of the Gen Jū Ceto-Ken style, to gather screams and despair. While their plans to stop the marriage interview fail, Jyan senses a "zowazowa" but the scent is different. Ran is halted by her mother, who intends to have her child be happy, but Ran apologizes for not accepting her mother's notion but her path is to protect and takes Reiko to the battlefield. While this occurs, the four Gekirangers were battling Gouyu, only to be greatly outmatched by the new enemy. until Ran arrives at the last second and the team defeats Gouyu with Reiko was watching and understood her daughter feelings. But Gouyu enlarges and overpowers SaiDaiOh, Geki Tohja Wolf, and Geki Fire single handed. But with her mother's words of encouragement, Ran calls Geki Elephant and uses Geki ElephantFire to knock Gouyu down. SaiDaiOh was about to land and beaten when Sanyo arrives and easily defeat the Gekirangers before he and Gouyu depart as they needed and leave. Though they lost, Ran did win her mother's approval of the path she chosen and to remain at SCRTC. Back at the Rin Jū Hall, Mere returns to Rio, reborn as the third Phantom General upon fully embracing the Phantom Ki in her evoked by witnessing Sanyo's power.
- Retsu wears a formal suit, blue tie, and sophisticated glasses, which is the same outfit as Ryotaro Nogami wears when possessed by Urataros in Kamen Rider Den-O.