S1.E19 ∙ The Buried Castle

In the half of 21st century, humans leave the Earth and live in space. In order to adapt to the environment and deal with the hostile aliens, genetically engineered children are artificially raised and trained to be pilots of armed robots.

Four teenagers use a machine to teleport to another universe named Korton where they become legendary Tenkai Knights. They battle villains, dragons, and monsters with weapons like swords, bows and arrows, and numchucks.

Giant Robot Daikengo flies through space to re-establish galactic peace; on-board prince Ryger, who ran away from his planet Emperius to defeat the menace out of his reign borders, in order to save his people; Cleo, corrupted prime minister's daughter, help him along with two nice little robots, Anike and Otoke. They fight evil Lady Baracross, leading invasion forces, with her assistant Roboleon, wearing a Napoleon style hat. Daikengo is the first robot with scuttles on his mouth. When he opens them, his vampire style teeth are shown and he can spit fire.

Several years ago, Doctor Hoarai predicted that a race of subterranean rock people was preparing to attack humanity. Nobody believed him, but the scientist built mecha in preparation for the attack. Following his death, Hoarai's equipment is discovered by five young people who believe in his cause. They use the mecha to defend humanity as a team of heroes. The team is led by Yoko Misaki, the female strategist of the group.

Twenty thousand years before the creation of mankind, two tribes-Plazmans and Sazorions-came to the earth. The bellicose Sazorions tried to conquer the peaceful Plazmans using the dreadful power of the Scorpio in outer space. Twenty thousand years later-at some time in the future-Dr. Godo, the only survivor of the Plazmans, secretly prepares Ginguiser, the combined magic robot troop, to defend peace in the event that the Sazorions are revived. Dr. Godo commands four brave young men to acquire occult super powers. Each episode of this series features a sequence of fabulous and fantastic battles. These scenes cannot fail to arouse the interest and excitement of the audience, and will be certain to catch every eye.

This series focuses on five lion robots and their pilots as they fight the evil forces of King Zarkon and Prince Lotor.