He attempts to profess his love for Yuzuriha, but the petrification incident happens. While petrified, Taiju retained consciousness and was aware of the events. He is depetrified 3700 years later and reunites with Senku. He collects grapes, which he and Senku make into wine for the depetrification formula.
He and Senku are attacked by lions and they revive Tsukasa to fight them. When Tsukasa betrays them, Taiju allows Tsukasa to beat him so he will stop breaking petrified humans and collapses after a single kick, though not immediately. After Senku is nearly killed by Tsukasa, he and Yuzuria use gunpowder to make a distraction and escape. They revive Senku after depetrifying the stone part of his neck. He and Yuzuriha join Tsukasa's Empire of Might as per Senku's plan.
He and Yuzuriha contact Senku though their newly created phone. When Senku plans to use a record of Lillian to make people defect to their side, he brings Nikki to talk, unaware that she is a Lillian Weinberg fan. Fortunately, Nikki decides to defect.
He uses a satellite disk Senku made to disorient Tsukasa's soldiers.
He aids in farm work. He is crowned King of Farming for his expertise. He aids in creating roads.
He is repetrified by Ibara and his crew. His body is thrown into the ocean. Taiju is depetrified to help lift Kaseki's petrified body. With help from Soyuz, he brings back the petrified bodies of the Perseus crew and a long haired stranger Taiju collected by accident.
He is petrified again by Ibara.
He is depetrified again by Senku and Chrome.