Spydra discovers a power plant being generated entirely by a moonstone brought back by the astronauts of the Apollo 11 mission. (Neil Armstrong, 1969, Moon)

Gadget Boy and Heather go back to 211 BC when Spydra is discovered there next to the Great wall of China. (The Dragon King, China, 211 BC)

The Olympics are coming to town... but not to Spydravania, and their rebuff of her sends Spydra on yet another rampage. (Zeus, 400 BC, Olympia, Greece)

After losing a 'best-dressed heroine' contest to Heather, Spydra decides to make the world pay. (Matthew C. Perry, 1853, Japan)

It's off to the Cretaceous period for the Gadget team as Spydra tries to amass an army of dinosaurs. (Somewhere in 70,000,000 BC)

(The Three Musketeers, 1617,Paris, France)

Spydra heads back to the time to steal all the methods of creating fire, thus, eliminating it forever, or until the world agrees to buy it back from her. (Ned The Neanderthal, 750,000 BC, Southern France)

The news of an opal discovery in Australia excites Spydra: opal would be the perfect component for her 'Super-City-Destroying Spectro-Blaster!" She must go back in time and pillage the opal mine before it's discovered. Noting the rift in time, Gadget Boy and friends travel back to the Australian Outback, 1915. On their way to stopping Spydra's fiendish plot, Gadget Boy becomes an honored member of an Aboriginal tribe, Agent Heather takes the balloon trip of her life, and G-9 does his best to deal with being taped to the ground by Gadget Boy (so he doesn't 'fall off')! (James Cook, 1770, Australia)

To force the world to buy her over-priced, worthless new car, the Arachna, Spydra heads back to visit Henry Ford and destroy his original Assembly Line. But Gadget Boy and Co. are close behind, stemming the damage, driving the world toward affordable automobiles, and earning Gadget Boy his driver's license... dated 1909. (Henry Ford, 1909, Detroit, Michigan)

With the invention of her new Metabolizer Helmet, which can create whatever the wearer is thinking of, Spydra heads back in time to 1861, Switzerland. There she places the cap on the head of one Mary Shelley, the author of the horror novel Frankenstein. Spydra's diabolical plans include not only making Shelley wear the helmet and fabricate a real Frankenstein monster, but also having Boris pen Frankenstein himself, but writing in Spydra as the monster! Unfortunately, Gadget Boy thinks he's attending a wild costume party, and not at all trying to save the history of horror in literature! (Mary Shelley, 1816, Geneva, Switzerland)

In an attempt to eavesdrop on all the world's communications satellites, Spydra decides to plant her "Polar Controller" satellite-controlling device at the North Pole. (Robert Peary, 1909, North Pole)

It's Gadget Boy to the rescue when Spydra sojourns to 1903 to stop the Wright brothers from ever-pioneering manned motorized flight! (The Wright Brothers, 1903, Kitty Hawk, North Carolina)

Gadget Boy's very existence is in jeopardy as Spydra goes to the 1939 World's Fair in New York City to destroy the first prototype robots ever made. (Inventors, 1939, Queens, New York)

Spydra loses an International Boat Race to Gadget Boy, and infuriated, she decides to ruin the history of boating. (Sinbad The Sailor, 1300 BC, Phoenicia)

No one will sell Spydra land to build her new, improved Spydravania. (Explorers, 1955, Africa)

Spydra wants her production of Shakespeare's King John to be perfect. (Henry III of England, 1216, England)

Spydra and his minions attempt to kidnap Charles Charles and bring him into modern times for serving as Spydra's personal clown. (Charlie Chaplin, 1920, Hollywood, California)

All Spydra needs to bring the world to its knees is a whole lot of the rare Humongous Fungus, which causes anyone who eats it to hiccup violently. (Hunters, 1970, Brazil)

To enact the power of a mystical sun-controlling ruby, Spydra takes Boris back to India in 1928 and enrolls him as a student of a great swami master. (Fakirs, 1928, India)

Gadget Boy and Co. head back to California in the Wild West 1849, the time of the Gold Rush, and the perfect time for Spydra to steal the gold she needs to repair the Spydra-Chron's rapidly failing Time-Ometer. (John Sutter, 1850, California)

Spydra journeys back to 15th century Florence Italy in an attempt to steal Leonardo Da Vinci's famous perpetual motion machine, not realizing his inventions only exist on paper. (Leonardo Da Vinci, 1470, Florence, Italy)

Spydra's got a taste for Tut and nothing's going to satiate it except a trip back to the Nile River Valley in 1922. Her goal is to steal all of King Tut's Treasures before the world even knows they exist. (King Tut, 1334 BC, Egypt)

The Gadget Boy Team is sent back to 700 A.D. Mexico. It seems Spydra, depressed at yet another Birthday, has learned that the Ancient Mayans knew how to control time. She instills herself as their supreme being so that she can get them to stop her from aging and time itself. (Mayan Natives, 700 AD, Mexico)

The "Three Brainiacs" in question are Chemist Marie Curie, Pasteurization Inventor Louis Pasteur, and general all-around smart guy Albert Einstein. Spydra realizes she needs a scientist with a bit more...practical experience than Boris to build her Super Spydra Clone. (Marie Curie, 1902, Paris, France, Louis Pasteur, 1864, Paris France & Albert Einstein, 1932, New York City, New York)

Traumatized by an early piano recital of "Jingle Bells," Spydra decides to eliminate Christmas once and for all by destroying its very roots. (Turkish bishops, 325 AD Turkey, Italians, Italy - 500 BC & Martin Luther, 1517, Wittenberg, Germany)

Spydra is tired of being outwitted by "that dullard Dabble" and his brilliant inventions and tired of being chased through time by Gadget Boy and Co. So she goes "Back to the Future," to Cleveland, Ohio in 1957 to meet up with Dabble's parents and stop them from ever developing the prototype for Time Travel. That way Spydra will be the only one skipping through time. (Mrs. Dabble, 1957, Cleveland, Ohio)