轰动世界的第一英雄——超人，重返地球，接受大敌挑战，对手是坏蛋雷克斯，他针对超人的弱点，用氪元素制造邪恶的核能人，利用最先进的科学武器，面对势均力敌的对手，超人与其展开太空大对决……本片无论从情节上还是特技上，都是超人系列的最失败的作品。情节简单幼稚，特技粗糙。本集上映后，批评如潮，这也结束了里夫的超人生涯……

　　一名叫达尔的走失男孩被小镇人们发现，由于没人认领，他被带到福利院。经过检查，医生发现他身体各项机能正常，而且智商很高，只是失去了一部分的记忆。
　　达尔被安排暂时居住在安迪家。安迪和妻子乔依斯一直希望能够领养一个孩子，达尔的到来令他们异常兴奋。在相处的过程中，达尔和邻居家的小男孩特塔成为了非常要好的朋友，他们一起上学、一起玩耍、一起为安迪的棒球队赢得了胜利，大家都觉得达尔是个非常聪明而且惹人喜爱的男孩。
　　忽然有一天，两个自称是达尔父母的人来接走了达尔，这令安迪全家和特塔非常伤心。达尔也对他们产生了深厚的感情，恋恋不舍地离开了安迪家。
　　事实上达尔是一个在大脑中被植入芯片的机器人，但他现在具备了一个正常孩子的一切生理机能。来接他的也并非他的父母，而是制造他的博士。博士被达尔和安迪他们的深厚情感所感动，他希望达尔能像正常孩子一样生活，但国家的高级官员却要求摧毁达尔。博士在同事的配合下，将达尔带出试验基地，遭到警察的追击，途中博士为了掩护达尔中弹身亡。
　　达尔潜入空军基地，开着战斗机向安迪家的方向飞去。空军基地地面遥控飞机在飞行过程中自动摧毁，达尔弹出飞机，降落在安迪家旁边的湖中。达尔终于回到了属于他的“家”中。

　　During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' . Written by Stewart M. Clamen <clamen@cs.cmu.edu>
　　In 1865, during the siege of Richmond, Virginia, the union soldiers POW Captain Harding, Neb and Herbert escape in a balloon during a storm with two confederate prisoners, Sergeant Pencroft and the journalist Spilett. The uncontrollable wind takes the balloon to a mysterious island in the South Pacific in the area of New Zealand. Captain Harding self-proclaims the leader of the group and they look for food; sooner they discover that they are stranded in an island. Further, they are attacked by a giant crab that becomes their first meal. Along the days, they build a shelter and finds that the island is inhabited by giant animals. A couple of days later, they find two castaways on the beach, the aristocratic Lady Mary Fairchild and her sexy niece Elena. Later they find a trunk with weapons and instruments like sextant and shelter with a journal of a man left alone in the island by pirates. When the pirate vessel arrives in the island, they are helped by Captain Nemo of the Nautilus, a submarine that had supposedly sunk in the coast of Mexico eight years ago. Nemo is famous as the man that tried to end strike among man. When the volcano begins activity, they need to leave the island to save their lives. Written by Claudio Carvalho, Rio de Janeiro, Brazil