Heine Wittgenstein is a pint-sized man given a monumental task. He's recently hired by the King of Grannzreich to whip four of his five sons into royalty material as their tutor. At first glance, the princes have all the allure and refinement Heine would expect but underneath their manicured exteriors are four potentially terrible tyrants.

Doraemon and its friends open a hole in the time and they're travel to the Country of Mayana, a lost Mayan civilization in the jungle. There, Nobita will know its perfect double, prince Thio, heir to the throne. Both will decide to interchange papers to try to save to the Country of Mayana of the claws of the infernal Ledina witch and her evil forces.

A juvenile delinquent gets out of the pen and immediately embarks on a rampage of untethered anger, most of it directed at the girlfriend of the journalist who helped send him up.

The story revolves around Duke Fleed who is a survivor of the Vega Star, raised by Dr. Umon as his adoptive son, and known as Daisuke Umon on Earth. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his kid sister Maria Grace), Duke decides to fight back using his best weapon, the almighty Grendizer.

An alien race known as the Oni arrive on Earth to invade the planet. Instead of taking over the planet by force, the Oni give humans a chance to fight for the rights to the planet by taking part in a competition. The computer-selected human player is Ataru Moroboshi, a lecherous, unlucky and stupid high school student from the Japanese city of Tomobiki, and the Oni player is Princess Lum, daughter of the leader of the Invasion force.

After becoming an orphan, Heidi is forced to live with her grandfather Öhi who lives in the mountain Alps. However he is a very bitter man who only accepts to take her in by force. Heidi's kindness may be able to open Öhi's heart. Along with Peter the goat carer and the crippled Klara, Heidi has a lot of adventures.