When a group of archaeologists uncover the tomb of a legendary warrior, they unearth Kuuga’s belt, accidentally releasing an ancient race of monsters called the Grongi, bent on destroying humanity. Enter Yusuke Godai, a modern-day guy next door, who learns he is telepathically linked to the mysterious stone belt. With its power, he transforms into the legendary warrior known as Kuuga, humanity’s only defense against the murderous Grongi monsters.
Episode 1
A group of archaeologists open a tomb that awakens horrible monsters, while journeyman Yusuke Godai is compelled to access a strange belt from the tomb to fight back against them.
Episode 2
A drunkard witnessed a murder by an Unidentified Lifeform near a Church. Meanwhile, Yusuke is bothered by the idea of fighting and is unsure if it was right until he saw the daughter of one of the slain archeologists crying.
Episode 3
Yusuke Godai leaves the message, "I've returned to Tokyo because of some important business. But I will return tonight."
Episode 4
As #5 continues to rampage with her speed through Tokyo, Ichijou must come to a decision regarding whether to work alongside Yusuke.
Episode 5
Through his combination with Detective Ichijo, Yusuke Godai a.k.a. Kuuga is victorious over the Unidentified Lifeform #5, Zu-Mebio-Da.
Episode 6
In the battle against Unidentified Lifeform #6, Zu-Batsu-Ba, who had been appearing frequently in the Suginami ward, Kuuga's body changed from red to blue...
Episode 7
Three months have passed since the series of events with the Unidentified Lifeforms broke out.
Episode 8
During the battle with the bee-type monster Me-Badjisu-Ba that approaches from the sky, Kuuga's body changes from blue to green.
Episode 9
At the combined investigation headquarters of Ichijo and other detectives, they've confirmed from their investigation so far that the Unidentified Lifeforms have a habit of gathering in one location...
Episode 10
As Yusuke tries to convince Minori to accept his changes, he tries to figure out a method to bring out the fourth Kuuga form.
Episode 11
Yusuke's plan to meet with a former teacher to keep an old promise becomes interrupted with the attack of a powerful Gurongi.
Episode 12
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Episode 13
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Episode 14
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Episode 15
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Episode 16
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Episode 17
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Episode 18
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Episode 19
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Episode 20
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Episode 21
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Episode 22
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Episode 23
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Episode 24
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Episode 25
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Episode 26
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Episode 27
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Episode 28
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Episode 29
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Episode 30
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Episode 31
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Episode 32
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Episode 33
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Episode 34
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Episode 35
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Episode 36
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Episode 37
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Episode 38
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Episode 39
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Episode 40
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Episode 41
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Episode 42
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Episode 43
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Episode 44
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Episode 45
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Episode 46
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Episode 47
Through the efforts of Kuuga and the police, Unidentified Lifeform #46 Go-Gadoru-Ba is defeated. However it simultaneously means #0 will bring forth the ultimate darkness.
Episode 48
Yusuke resolves to become the 'dreadful warrior' in order to defeat #0, and before that final deciding battle, he rides his bike through the unrelenting downpour to give thanks once again to all the people who supported him.
Episode 49
To defeat the one who brings the ultimate darkness, N-Daguba-Zeba, Yusuke transforms into the Ultimate Form, the dreadful warrior. Staining the brilliant white snow field with crimson blood in this literal fight to the death, at last, the conclusion is reached....
