Ultraman Taro: S1 E39 - The Ultraman Father-And-Son's Grand Mochi Making Plan! Ultraman Taro
While Kotaro and the others were pounding mochi, the monster Mochiron suddenly shows up and eats all the mochi in the town. That night, Yuko Minami, who once used to combine into Ultraman Ace, appears before Kotaro! Ignoring Yuko's advice to return to the moon, Mochiron ends up getting scolded by Father of Ultra!