Ikinari Dagon

In a small town of Tokyo there lives a middle-aged man, Suzuki, who spends commonplace days conducting a small business. He is ambitious to become such a celebrity as to appear on the cover page of a popular magazine. One day he happens to discover a mysterious entrance that leads to an alien space. Through it he reaches the world of goblins and attaches control devices to goblins there to make them act at his free command. Capitalizing on those zombies, he grows outrageous and notoriously sets his hand to evil things. Meanwhile two witty pupils, Hajime and his girl friend Mariko, come across a strange alien detective who presents them with Doteraman garments. Wearing those garments, they transform themselves into Doteraman and Doterapink with supernatural strength. Then they challenge the wicked ruler and successfully liberate the poor goblins. They continue to fight in the cause of justice creating excitement and entertainment full of pleasure.

Giant robot parts fell from the sky, so Nobita and Doraemon took it into the mirror world to build it and called it the Zandacross. It seems that Zandacross is a dangerous weapon so they kept it a secret. A mysterious girl named Lilulu appeared and asked for Zandacross for the invasion but she doesn't agree to invade the Earth. Doraemon and the others join forces to stop the invasion of the robot army but it seems that Lilulu is the only one that can stop it.

After the defeat of the demon lord Hadlar all of the monsters were unleashed from his evil will and moved to the island of Delmurin to live in peace. Dai is the only human living on the island. Having been raised by the kindly monster Brass, Dai's dream is to grow up to be a hero. He gets to become one when Hadlar is resurrected and the previous hero, Avan, comes to train Dai to help in the battle. But Hadlar, announcing that he now works for an even more powerful demon lord, comes to kill Avan. To save his students Avan uses a Self-Sacrifice spell to attack, but is unable to defeat Hadlar. When it seems that Dai and Avan's other student Pop are doomed a mark appears on Dai's forehead and he suddenly gains super powers and is able to fend off Hadlar. The two students then go off on a journey to avenge Avan and bring peace back to the world.

A mysterious explosion on Futagami Island begins a new chapter in the Dangaioh mythos! Led by the evil Professor Katou, a band of warriors calling themselves the "Tartarus Knights" have begun their campaign to lay waste to the world by way of a small research station on Futagami Island. Katou`s victory seems almost certain until he encounters an advanced fortress guarding the island. From it, a group of three humanoid robots are launched - Dangaioh!