Radiation from the sun is causing Bruce Banner to change into the Hulk without provocation. Rick Jones manages to lure the Hulk into a specially designed cave to hold him, but just then Doctor Octopus attacks General Ross' army base intend on stealing the powerful Perium-99 from the lab. (imdb)

Rio tells Bruce Banner about an ancient tribe in Yucatan that might hold a cure to get rid of the Hulk once and for all. Meanwhile the evil Spy Master is planning to steal the experimental Sonar Chrystalizer weapon that is being tested at General Ross' Army Base. (imdb)

Bruce Banner has developed a powerful Gama Bomb, but just as it is about to be tested, a teenager named Rick Jones carelessly drives onto the testing ground. Banner manages to save Rick, but is bombarded by Gama rays himself thanks to a traitorous assistant. Although Banner survives the radiation, his body transforms into a giant green hulk as soon as he becomes angry. (imdb)

Bruce and Betty are in Paris where he is speaking on a scientific conference and she is carrying the key to a secret gold vault. An evil descendant of the hunchback of Notre Dame kidnaps Betty to obtain the gold and leads the Hulk on a chase all over Paris. (imdb)

Dr. Donovan has invented Cyclops, the most powerful computer on Earth to safeguard the entire military defenses of the United States. (imdb)

While experimenting with a gamma ray emitter, Bruce Banner is accidentally reduced to one inch in size. Meanwhile, Major Ned Talbot is in charge of the testing of the new T-70 tank, which is being targeted by saboteurs. (imdb)