Ultraman Ace

is the 5th show in the Ultra Series. Produced by Tsuburaya Productions, the series aired on Tokyo Broadcasting System from April 8, 1972, to March 30, 1973, with a total of 52 episodes. Starting from this show, the Ultra Series begins to shift from a sci-fi/mystery adventure to superhero fantasy fare. All previous Ultramen (Ultraman, Ultraseven, Ultraman Jack, and Zoffy) make regular appearances in this series, whereas they only made guest appearances in the previous show Return of Ultraman. Plot From another dimension, Yapool orchestrated attacks on Earth using biological weapons called that surpassed ordinary monsters. The first Terrible-Monster Verokron managed to destroy a city and the that was dispatched to fight it. A pair of youths, Seiji Hokuto and Yuko Minami, lost their lives in protecting nearby civilians as the fifth Ultra from M78, Ultraman Ace fused with them. The pair were given each per person and transforms into Ace whenever they perform the . Ever since Ultraman Ace fought on Earth, Seiji and Yuko were enlisted into TAC, short for , with the Ultra Brothers and Father of Ultra occasionally appeared to help them. Yapool, on the other hand, would send more Terrible-Monsters, including external help from various forces and occasionally went face-to-face with TAC and Ace themselves. In the middle of the series, Yuko was revealed to be one of the last natives from the Moon and gave her Ultra Ring to Seiji, leaving Earth in episode 28. Seiji was on his own in succeeding episodes. In the final episode, Yapool masqueraded as the child of Alien Simon and combined several of his past Terrible-Monsters into Jumbo King. When Yapool allowed himself to be killed as the children lost their faith in Seiji, the latter exposed his identity to them and fought the chimeric monster, eventually triumphing over Jumbo King. With Yapool's first attempt (of what would become many) at taking over the Earth thwarted at last, Ace departed the Earth to return home.