Gadget Boy hitches a ride on Sputnik II.
Spydra aims to eliminate Christmas.
Spydra kidnaps Marie Curie, Louis Pasteur and Albert Einstein.
Spydra attempts to control time among the Mayas of Mexico in the year 700.
Spydra attempts to steal King Tut's treasures.
Spydra and Gadget Boy meet a young Leonardo da Vinci.
Spydra travels to 1849 California to steal gold.
Gadget Boy saves a swami's citadel.
Spydra and Gadget Boy learn about the destruction of the rain forests.
Spydra tries to kidnap Charlie Chaplin.
Spydra tries to disrupt history in 13th-century England.
Spydra attempts to destroy black rhinos.
Spydra travels back to ancient Phoenicia.
Spydra attempts to destroy robots at the 1939 World's Fair.
Spydra attempts to stop the Wright Brothers.
Spydra attempts to control the world's satellites.
In 1861 Switzerland, Spydra places the metabolizer helmet on Mary Shelley's head.
Spydra tries to destroy Henry Ford's assembly line.
Gadget Boy joins an Australian Aboriginal tribe.
Spydra tries to steal all methods of creating fire.
The Three Musketeers help Gadget Boy.
Spydra tries to save the dinosaurs.
Gadget Boy faces samurai warriors in feudal Japan.
Spydra sets out to destroy the Olympics.
Spydra wants jade dragons from ancient China.
Spydra tries to steal a moon rock from Neil Armstrong.