When the "Machine Empire Black Magma" tries to conquer the earth, the United Nations decide to gather three soldiers from the "Guardians of World Peace" to create the "Solar Squadron Sun Vulcan" to fight against them.
Sun Vulcan get in their possession a ball made of a super-alloy created by Black Magma to create a super strong monster, this living ball starts a rampage while the Sun Vulcan try to discover more details about Black Magma's objectives.
Queen Hedrian with the help of a time-manipulating monsters re-awakes the memories of a man whose ancestor was a pirate to help them find his hidden treasure.
A "Guardians of world peace" soldier is presumed dead after approaching a Black Magma research site, his younger brother starts searching for him but first he would have to escape from an army of strange monsters.
A boy feels that his father doesn't give him enough attention, so he switches places with an android duplicate who ends up winning his father's love in his place.
A poor diver discovers a deep-sea treasure, her brother tries to convince her to get it for themselves but she tells him that they are good as they are, meanwhile Black Magma is plotting to steal the treasure.
When a fossilizing agent being created by Black Magma leaks into Tokyo's water supply, Sun Vulcan must put a stop to the research and save the father of a girl affected by their study.
Queen Hedrian calls a Vader Clan commander called Amazon Killer to join Black Magma to help them destroy Sun Vulcan's base, meanwhile Ryuusuke is tell that he is needed by the NASA.
While investigating a dying town being used by Black Magma to hide their research into Magma Energy, Hiba comes to the aid of a family remaining behind there after they help him recover from an enemy attack.
Amazon Killer infects several important people with a virus that keeps them hungry in order to lure them into a dinner that will transform them into iron humans.
After a scheme is deemed a failure by Black Magma, a cockroach monster befriends a friendless boy who is willing to protect it, making Hyou suspicious towards his actions.
When Queen Hedrian becomes paralyzed by a supremely powerful descendant of the Denzians, Black Magma starts searching for people with "ESPer" to murder them.
As her sister and the ESPers of Japan remain under the threat of being executed by Black Magma, Himiko must work to save them as she discovers her true legacy as a Denzi survivor.
Discovering his departure from the Rangers but unknowing of his position in Sun Vulcan, Hyou's father tries to convince his son to come home with him and leave the battle behind.
A bat Monter's attempt to get new teeth for his powerful attack becomes complicated when a boy infected with becoming a bat demon servant is seen as a protective angel by a hospitalized girl.
A boy tries to get through his loneliness by taking care of an injured rabbit after a Black Magma's monster kills his dogs in a plot to kill all the pets.
Black Magma gives a terrible student a device that can give him all the answers in an attempt to reduce the brainpower of humanity through relying on it instead of their own minds.
An Air Force partner of Hiba's is brought on to train with Sun Vulcan for a new secret weapon, only to appear to sell out the team to give their secrets to Black Magma.
An old partner of Amazon Killer arrives on earth to deal with the Sun Vulcan, meanwhile Hell Saturn desires his assistance to help Black Magma conquer the world.
When the Guardians of World Peace prepare to launch a satellite to track Black Magma at the North Pole, Amazon Killer is given one chance to prove her loyalty to the machine empire by stopping the event for Hell Saturn.
Queen Hedrian and Amazon Killer try to convince Hell Saturn and Inazuma Ginga to kill each so that Queen Hedrian can become the ruler of the Machine Empire.
As a mysterious power uses Hell Saturn's spirit to continue to torment Queen Hedrian, Inazuma Ginga captures VulEagle to get his hands on his ultimate quarry.
As the Omnipotent God begins to rust Queen Hedrian's heart in hopes to bring her in line to serve it or face death, the new Black Magma leader decides to perform one last art to prove her superiority to all her allies and enemies.
With Misa still captured by the remains of Black Magma, Sun Vulcan and Commander Arashiyama head for the North Pole to finally put an end to the machine empire's schemes for good.
