TCJ
Tells the story of a member of the Universal Peace Corps from the Planet Radion coming to Earth on a mission to determine if this world meets standards for membership in the Galactic Union of Worlds and assist its inhabitants during his stay. While on his mission Prince Planet adopts the identity of an Earth boy named Bobby and gains comrades who work together alongside him combating evil forces both alien and terrestrial. (Source: Wikipedia)
東映動畫
物語は大きく二つに分かれる。<br /> 第1話から第28話は、白土三平の漫畫「忍者旋風」のストーリーを下敷きにしており、フジ丸の生い立ちから始まり、「竜煙の書」をめぐる忍者たちの戦いを描く。赤ん坊だったフジ丸は、母が野良仕事をしている最中にワシにさらわれ、風魔十法斉率いる忍者集団の風魔一族に助けられ、少年忍者として成長する。しかし十法斉が冷酷非情の人間であり、大量殺傷兵器の製法を記した「竜煙の書」を手に入れて天下を支配しようとしているのを知り、これを阻止しようと、恐るべき秘術を持つ風魔の忍者たちや豊臣、徳川の忍者たちと死闘を繰り広げる。その間に、少女美香や身寄りのない少年太郎、わが子（フジ丸）をさらわれて自責の念にとらわれながら、それでも子を探し出そうと旅を続ける母お春などのエピソードが挿入される。<br /> 28話までの放送では、6回から10回ごとにそれまでの物語の経過を振り返る「総集編」が挿入される構成だった。<br /> 第29話から第65話（最終話）は、主人公のキャラクターをそのままに、脇役の美香と太郎をそれぞれミドリと太助に改名し、フジ丸が東映動畫オリジナルの悪役と対決していくストーリー。悪役は南蠻（すなわち外國）からやってきた忍者群、忍盜羽黒族など。
龍之子製作
Dr. Tatsunoko of Tatsunoko Research Center goes undersea accompanied by his daughter Asari to inquire into some mysterious radiation and discovers there a giant shell and it is known that the radiation comes from a globe laid inside the shell. Then Asari finds an object in the shape of compact with a message in it. It says that a space alien from the Planet of Parlum which is on the verge of extinction is lying in the globe. Suddenly a boy with a strange look appears out of the globe and goes wild. He is the very person mentioned in the message with the name of Ace. His source of energy for superhuman power is what is called space food and he can fly with the help of Silver Ring made with energy collected instantly in the aerial environment. Also he is able to use it as a weapon to fight the enemy with. Supported by his friends including Asari, Ibo the robot dog, and Hermit Crab Reporter, he gallantly goes into action to settle various difficulties caused by mystic robots and brutal space invaders.
