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.
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.
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.