#1 | 01/30/2000Revival (復活, Fukkatsu)
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.
#2 | 02/06/2000Transformation (変身, Henshin)
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, motivating him to fight "to protect the smiles of people".
#3 | 02/13/2000Tokyo (東京, Tōkyō)
The police has made a Special Task Force to combat the Unidentified Lifeforms, which included Number 2 and 4, and was given orders to shoot-on-sight. Kaoru Ichijo tried to contact Sakurako Sawatari to warn Yusuke, who was visiting his sister at her work at a day-care.
#4 | 02/20/2000Sprint (疾走, Shissō)
As #5 continues to rampage with her speed through Tokyo, Ichijou must come to a decision regarding whether to work alongside Yusuke.
#5 | 02/27/2000Distance (距離, Kyori)
Yusuke discovers the effect of the mysterious belt on himself and his connections to those he cares about as the battle with a grasshopper Unidentified Lifeform brings about a new change.
#6 | 03/05/2000Azure Dragon (青龍, Seiryū)
Yusuke tries to decipher the meaning behind his new blue form, while Sakurako's continued research makes new discoveries unlocking secrets regarding the new form and how to use it.
#7 | 03/12/2000Grief (傷心, Shōshin)
The daughter of one of the slain archeologists that discovered the secret tomb approaches Ichijou and Yusuke with an artifact that she believes will aid in finding ULF 0, as the Unidentified Lifeforms begin a new approach to their killings.
#8 | 03/19/2000Archer (射手, Shashu)
Yusuke must discover a way to control the hyper-senses of his new Green form while trying to prevent Mika from bringing herself to a tragic end over her father's death.
#9 | 03/26/2000Siblings (兄妹, Kyōdai)
Yusuke's sister Minori begins to feel distant from her older brother as the Tokyo police attempt to pinpoint the Gurongi hideout.
#10 | 04/02/2000Fierceness (熾烈, Shiretsu)
As Yusuke tries to convince Minori to accept his changes, he tries to figure out a method to bring out the fourth Kuuga form.
#11 | 04/09/2000Promise (約束, Yakusoku)
Yusuke's plan to meet with a former teacher to keep an old promise becomes interrupted with the attack of a powerful Gurongi.
#12 | 04/16/2000Teacher (恩師, Onshi)
Sakurako helps Yusuke's former teacher renew his confidence all while Yusuke works on a new move for Kuuga to defeat the rhino Gurongi.
#13 | 04/23/2000Episode 13
#14 | 04/30/2000Episode 14
#15 | 05/07/2000Episode 15
#16 | 05/14/2000Episode 16
#17 | 05/21/2000Episode 17
#18 | 05/28/2000Episode 18
#19 | 06/04/2000Episode 19
#20 | 06/11/2000Episode 20
#21 | 06/25/2000Episode 21
#22 | 07/02/2000Episode 22
#23 | 07/09/2000Episode 23
#24 | 07/16/2000Episode 24
#25 | 07/23/2000Episode 25
#26 | 07/30/2000Episode 26
#27 | 08/06/2000Episode 27
#28 | 08/13/2000Episode 28
#29 | 08/20/2000Episode 29
#30 | 08/27/2000Episode 30
#31 | 09/03/2000Episode 31
#32 | 09/10/2000Episode 32
#33 | 09/17/2000Episode 33
#34 | 10/01/2000Episode 34
#35 | 10/08/2000Episode 35
#36 | 10/15/2000Episode 36
#37 | 10/22/2000Episode 37
#38 | 10/29/2000Episode 38
#39 | 11/12/2000Episode 39
#40 | 11/19/2000Episode 40
#41 | 11/26/2000Episode 41
#42 | 12/03/2000Episode 42
#43 | 12/10/2000Episode 43
#44 | 12/17/2000Episode 44
#45 | 12/24/2000Episode 45
#46 | 12/31/2000Episode 46
#47 | 01/07/2001Episode 47
#48 | 01/14/2001Episode 48
#49 | 01/21/2001Episode 49
#50 | 01/20/2001Episode 50
#51 | 01/21/2001Episode 51
#52 | 01/02/2001Episode 52
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