Anthro from the planet Traum, disguising himself as a special inspector from Scotland Yard, attempts to steal the Earth's energy to take back to Traum.
Professor Baffles has embarked on a crusade to destroy all literature, art and music with a chemical he has developed. His two accomplices use Professor Baffles' crusade to extort money from the U.S. government.
Professor Goodfellow invents the G.E.E.C. (Goodfellow's Effort-Eliminating Computer) to free mankind of all physical labor, brainwork and responsibility. However, when this miracle-of-the-ages computer goes out of control, it takes the combined efforts of all the Superfriends to repair the computer and return the world to its normal state.
Glaciers are melting, gigantic whirlpools are forming and there are icebergs in the South Atlantic. Then the Superfriends chart these drastic changes in weather, a pattern soon begins to emerge.
The nation's three leading industrialists receive a warning from a computerized albatross, "Listen to the voice of Dr. Pelagian, you have one hour to stop pollution of the seas, before the sea strikes back!" The Superfriends must get the three stubborn industrialists to meet with Dr. Pelagian before his tactics endanger the country.
Dr. Shamon uses a gigantic magnetic "U" to draw a solid gold meteorite to the Earth. However, he is unaware of the fact that his "sky-mining" technique has released some exotic gases from the space cloud, which, when united with the oxygen in Earth's atmosphere, form a green mist and a red mist which can enlarge or shrink animals and plants except for humans.
The Superfriends are told by the government's leading scientist that a strange new wave of magnetism is drawing the Earth from its orbit toward the sun. They must discover what is causing the increased magnetic pull and stop it.
A family of balloon people, from the planet Balunia, are befriended by the Superfriends after their flying saucer lands on Earth. However, the news reports of these unusual guests prompt the ambitious scholar, Noah Tall, to devise a plan to capture the balloon people.
King Plasto has been intercepting every shipment of raw plastic powder on its way to the government space research station because he intends to use the raw powder for his own means.
Two fanatic scientists go on an idealistic crusade to remove all gold with a special beam that they are unaware is also causing massive collateral environmental and infrastructure damage.
A strange UFO penetrates earth's airspace. Along its flight path, it has managed to "pull up" and carry along a number of objects. Col. Wilcox explains to the Superfriends that the UFO snatched up a total of fourteen thousand tons.
Dr. Gulliver uses his micro-wave reducer to shrink every adult human being in the world down to an economical, convenient size of 2" tall. He will remain full-sized to rule and watch over the mini population of the world.
An ingenious scientist, Dr. Laban, has stolen the largest diamonds in the world to power his "planet splitter." While the Superfriends guard the remaining diamonds in the world, Wendy and Marvin follow Dr. Laban to his secret laboratory, where Laban tells them of his plan.
A strange spacecraft has been forced to land on Earth after a meteor hit the fuel tank of the craft. The craft, in an attempt to return to the planet Sagittarius, begins gathering silicon from sea water to fuel their ship. However, extracting the silicon causes a red tide and famine among ocean creatures.
