In this post, we take a closer look at the current status of the series “Densetsu Kyojin Ideon”, also known by the following titles:
- Space Runaway Ideon
- 伝説巨神イデオン
- Ideon
- Legendary Giant-God Ideon
- Great God Legend Ideon
Status#
Based on our analysis, the series is FINISHED. ✅
Here’s how we reached that conclusion:
- All related entries are marked as finished on MyAnimeList
- The series is listed as ended on Trakt
These sources consistently confirm that the main story of Densetsu Kyojin Ideon has been fully concluded.
Watch order#

Densetsu Kyojin Ideon ↗ ↖
伝説巨神イデオン
Summary
Mankind has traveled to the stars and come across various alien civilizations, now long dead. Upon discovering the archaeological remains of such a civilization on the planet Solo, humanity finally has its first encounter with a living alien species: the Buff Clan. When Karala Ajiba, the daughter of the Buff Clan's military leader, sets foot on the surface of Solo, the Buff Clan launches a brutal assault on the colony to retrieve her.In order to escape, Cosmo Yuki, Kasha Imhof, and Bes Jordan climb aboard three trucks, which soon transform into the giant humanoid robot Ideon. When the settlement on Solo is destroyed, the survivors board a recently discovered spaceship—the Solo Ship—and flee, endeavoring to get away from the aliens and finally find peace. The relentless Buff Clan, however, is still in hot pursuit and will not give up so easily.
[Written by MAL Rewrite]
Background
The series won the Animage Anime Grand Prix Award in 1980.
Densetsu Kyojin Ideon: Sesshoku-hen ↗ ↖
伝説巨神イデオン 接触篇
Summary
Scouring the universe in pursuit of knowledge, mankind has discovered three large trucks and a giant spaceship belonging to an extinct alien civilization on the planet Solo. During their excavation, a humanoid alien race known as the Buff Clan arrives at Solo, and Karala Ajiba—daughter of the Buff Clan's military leader—flies down to the planet against orders. In hunting for Karala, the Buff Clan attacks and destroys the Earth settlement to bring her back.Desperate to stave off their assaulters, earthlings Cosmo Yuuki, Kasha Imhof, and Bes Jordan board the trucks, which form into the powerful giant robot Ideon when combined. As they fight back against their enemies, the remaining survivors board the spacecraft Solo Ship and flee, while the Buff Clan relentlessly seeks Ideon and the mysterious power source contained within it.
[Written by MAL Rewrite]

Densetsu Kyojin Ideon: Hatsudou-hen ↗ ↖
伝説巨神イデオン 発動篇
Summary
Pushed out to the far reaches of the galaxy, the crew of the Solo Ship faces impossible odds of survival. With the Earth destroyed and the remnants of the Buff Clan pushing them to their limit, the Ideon shows as the last line of defense for the battered remains of humanity.As the tensions of their last stand rack up on their minds, Captain Bes Jordan and pilot Cosmo Yuuki race against the clock to protect their final opportunity of survival, even as desperation eats away at the minds of their loved ones. Using any weapons left at their disposal, the crew desperately fight on to protect themselves in the cold clutches of space, punished with a final duel against Harulu Ajiba, who is now desperate to reclaim the honor lost in her father’s eyes.
[Written by MAL Rewrite]
