Astro Boy and Mr. Pompous settle down for a long ride in their train compartment, when suddenly the door bursts open and a strange, dark man, dressed in ancient Egyptian garb, enters. He whispers that he is being followed, then produces an enormous heart-shaped jewel he calls Cleopatra's Heart. He bids Mr. Pompous take the jewel and keep it safe, for it is priceless. It once belonged to Cleopatra herself and was proof that the bearer was indeed Queen of the Nile! Suddenly, the stranger disappears! Afterward, our heroes find that they are being pursued by a gang of ...

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When the first expedition to Mars fails because of a mutiny by the crew, Astro Boy is appointed commander of the second expedition.

Astro Boy is tricked by Clyde Snidely and a band of Arab cutthroats into helping them search for "treasure" in the desert.

Cross Island is a mysterious uncharted island in a little-known sea. Here, a task force of robots work in great secrecy, extracting valuable stores of uranium.

One night, during a storm, Astro Boy meets Lodar, a boy from another planet. Lodar has come to warn us of an invasion of flying saucers from his world.

Yes, it is true. Someone has finally learned how to blend etheric resin with clear plastic to produce an invisible robot.

Young Tommy Speed prepares to enter the World Champion Motor Car Race with his supersonic car, the Silver Comet.

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It finally happened in the little mid-European land called Shangri-Lee. An absolute dictator rose to power. Rudolph Hatter (his enemies called him Mad Hatter) was ruthless. Like other madmen before him, he sought to rule the world.

When notorious Louie the Lug hides aboard a space ship bound for the moon, Astro Boy leaps aboard just before blast-off.

Film mogul Elia Belial had suddenly become one of the wealthiest men on earth, yet, he hadn't made a picture in years. What was the source of his sudden wealth?

Crime knows no boundaries - not even the North Pole! Sharkey Dirk and his gang of cutthroats had become the Scourge of the Arctic!

Professor Nutty Fruitcake, living alone in his secluded mountain observatory, has taken to a unique hobby: growing giant fruits and vegetables. When the novelty of giant watermelons and tangerines wears thin, the Professor takes to breeding giant animals - in particular, giant snails.

In the year 2000, there were robots aplenty. Since human beings no longer worked, there was a wide assortment of robots, big and little, fat and thin, tall and short, to perform every conceivable menial task. But nowhere was there a robot like Gangor, the Monster.

President Pudge of Udopia feared for his life, and understandably so. The Presidents of several other countries had all been attacked by Secret Agent 3-Z.

Astro Boy and his pal Specs visit a carnival fun house where Specs is frightened by all the tricks played on them.

One day, excitable Mr. Pompous was relaxing at home when suddenly a mysterious ship crashed through his front door. Clearly the ship was something from the future.

From deep in space, intelligent forces have been studying the earth with an eye toward establishing a colony there. The colony, once established, would take over the planet, paving the way for mass settlement by those evil forces.

When early American astronauts reported seeing "fireflies" in space, they posed a riddle that intrigued men of science for decades. In the year 2000, the intrepid Doctor Bolt - astronomer, adventurer, astronaut - decided to investigate on his own.

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Sitting alone at the beach one day, watching wave after wave break on the lonely sand, Astro Boy spots a mysterious bottle being washed ashore. The bottle proves to contain a note calling for help and rescue from a dreaded, but unknown, uncharted island called Sea Serpent Isle.

A mysterious epidemic grips the city! Everywhere, men and women drop suddenly into comas.

There is laughter when a strange-looking, almost sinister, robot swathed in a trench coat confronts Astro Boy and Doctor Elefun, demanding that they accompany him to an unknown kingdom at the bottom of the sea.

On his most recent birthday, Astro Boy received an amazing gift, something he had always wanted... a little sister! She was a gift of Doctor Packadermus J. Elefun, head of the Institute of Science, and she was the image - the very image - of Astro Boy, but with pigtails.

It was perhaps natural that Don Tay should hate civilization. After all, were not his ancestors simple, hard-working peons, captured and exploited by the cruel conquistadors?

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From time to time, the civilized world is shocked to hear of the sightings of various and assorted monsters: the Loch Ness Monster of Scotland, the Mediterranean colocynth - a prehistoric fish actually caught in the late 1950s, etc.