Pen-Pen, the hat-and-tie-wearing prince of Penguin Land, turns up unexpectedly on little Mika's doorstep. and invites himself and his zany friends to stay.

An anthology of various tales told in various styles with robots being the one common element among them.

Kaibutsu Taro, also known as Kaibutsu-kun, the prince of Monster Land. Hiroshi-kun, a human boy who is close to him, takes advantage of winter vacation to head to Kaibutsu-kun's hometown, Monster Land. However, humans are strictly prohibited from visiting Monster Land, and Hiroshi-kun, who breaks the rules, is turned into stone by the power of the eyes of Kaibutsu-kun's father, the Monster King! Kaibutsu-kun goes to retrieve the secret medicine "Flower of Life" in order to restore Hiroshi-kun to his normal state. But that flower...

A young unicorn named Unico must fight an evil magician and save everyone who's trapped under his spell.

When Unico, a young unicorn, is banished from his family by a pantheon of manipulative gods, his powers of joy and happiness are tested as he explores the lands with his friends Beezle and Katy.

Kayoko is a young girl in 1940, just starting first grade. Nothing can prepare her for 1945, and the bleak times that are soon to come.

The monster Zippo, who had an ominous prophetic dream and came to Tokyo worried about his childhood friend Hattori-kun, witnessed countless pink eggs raining down from the sky. It is the egg of a monster sent by invaders who are trying to consume the earth's plants for energy. Hattori-kun and his friends struggle to repel them with the help of Perman who rushes in?

One day, Kenichi meets Yuri, a foreign girl who is being chased by someone. In front of Hattori-kun and the Perman team, a mysterious masked monster named Psychoman, who can also levitate, appears. Psychoman, who plans to use his supernatural powers to conquer the world, forms an esper army of his own kind...

Phoenix 2772 starts with twelve minutes without dialogue, much like a silent film, recalling the birth and education of Godo. In this brave new world, children are born in test tubes and are raised by computers and robots. Godo learns the skills that will make him into a great pilot, assisted by the robotic wonder Olga. Everything that Godo needs is provided for him until he eventually goes for training with his automaton companion. He soon realizes that the world is not what he expected...

Kaibutsu-kun's father, the Great Monster King, suddenly complains of pain in his chest and collapses. It turns out that the rival Demon King has placed a curse on him with the "Demon Sword". Kaibutsu-kun and his three companions head into enemy territory, Demon Land. Prince Demokin, the son of the Great Demon King, appears. Out of curiosity, he invites the monsters to the temple where the demon sword is located.