Following the detonation of the atomic bombs on Hiroshima and Nagasaki, the Japanese military and the government clash over the demand from the Allies for unconditional surrender. Minister of the Army Anami leads the military officers who propose to fight on, even to the death of every Japanese citizen. Emperor Hirohito, however, joins with his ministers in asking the unthinkable, the peaceful surrender of Japan. When the military plots a coup to overthrow the Emperor's civilian government, Anami must face the choice between his desires and loyalty to his Emperor.

As supernatural events and monster attacks rock Japan, the military and government look to be overwhelmed. Three intrepid young investigators—two pilots and a reporter—take it upon themselves to study these unexplained phenomena in order to inform and protect the public. With allies and science aiding them on their journey, the trio must separate myth from history as they explore the greater mysteries of these occurrences: are they unrelated, or is this barrage somehow a portent of even worse things to come?

Follows a bunch of school renegades and their downfall into criminality in a docu-drama style, completely refreshing for its time.

The legendary empire of the lost continent of Mu reappears to threaten the world with domination. While countries unite to resist, an isolated World War II Captain has created the greatest warship ever seen, and possibly the surface world's only defense.

Five vacationers and two crewmen become stranded on a tropical island near the equator. The island has little edible food for them to use as they try to live in a fungus covered hulk while repairing Kessei's yacht. Eventually they struggle over the food rations which were left behind by the former crew. Soon they discover something unfriendly there...

In 1976, a drifting star named Gorath is discovered to be on a collision course with Earth. Although it is smaller than Earth, its enormous mass is enough to destroy the planet totally. A mission sent to observe Gorath is destroyed after the ship is drawn into the star, with a later mission barely escaping the same fate. However, Astronaut Tatsuma Kanai is left in a catatonic state due to his near death experience. Unable to destroy the invading star, Earth's scientists undertake a desperate plan to build giant rockets at the South Pole to move the planet out of Gorath's path before it is too late.

A librarian is subject to a scientific experiment which goes wrong and transforms him into 'The Human Vapour'. He uses his new ability to rob banks to fund the career of his girlfriend, a beautiful dancer. The Human Vapour is ruthless in his quest for money and kills anyone who stands in his way, especially police. He soon becomes Tokyo's most wanted criminal. Can he be stopped before he kills again?

In 1965, the space station JSS-3 is destroyed by a fleet of UFOs, which then begin a global siege on Earth, using rays to manipulate gravity and control the minds of men. In response, a global council meeting is held to determine the source of the attacks and prepare a rocket ship armada for a counter-attack, a true battle in outer space. . . The film is a sequel of sorts to Toho's THE MYSTERIANS in the reprise of the Etsuko Shiraishi character of that film as its heroine. It was edited to 74 minutes for its American release.

When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.