S01E01 Medals, Underwear, and a Mysterious Arm
A mysterious arm reawakens the Greeed from their slumber and decides to use Eiji Hino, a cheerful wanderer, as his means of getting back what he desires as Kamen Rider OOO.
Kamen Rider OOO
I'll transform!!!
S01E09: Drenched, the Past, and the Scorching Combo
In flashbacks, Eiji fails to save a girl amidst a foreign civil war. In the present, Satonaka meets with Eiji to collect Kougami's fee until an explosion occurs outside.
Overview
Eiji Hino is a wanderer who has no place to call home and a tragic past. When metallic creatures known as the Greeed awaken after their 800-year slumber to attack humans and feed off of their desires, the disembodied arm of the Greeed named Ankh gives Eiji a belt and three Medals to fight the other Greeed as Kamen Rider OOO. The mysterious Kougami Foundation approaches Eiji and begins assisting him in his fight against the Greeed, though their true motives are not clear. As Eiji fights the Greeed and their Yummy monsters, learning more about the Greeed and Ankh, he starts to find a purpose beyond his journey.
Episodes
S01E02 Desire, Ice Pops, and Presents
Ankh explains the Greeed and the purpose of the Medals to Eiji, even as the human desires to merely use his new power to fight for good instead of for selfish needs.
S01E03 A Cat, Evolution, and a Glutton
Ankh becomes troubled when Eiji prevents him from eliminating his possessed body's sister while another Greeed uses a man's gluttony to create more Medals.
S01E04 Doubt, a Picture Message, and a Helping Hand
Ankh threatens to leave OOO for Kazari and the Greeed while investigating the evolution of humanity while Eiji tries to find more about Hina.
S01E05 A Game of Tag, a Nest, and a Rich Girl
Kougami asks for a share of Eiji and Ankh's Medals, while Mezool decides to use Hina's shopaholic classmate to create a new Yummy.
S01E06 Fashion, a Contract, and the Strongest Combo
Hina confronts Yamano's shopping addiction when her father goes bankrupt while Ankh confronts Kougami about his share deal of the Cell Medals.
S01E07 A Lousy Husband, a Trap, and a Jackpot
Eiji tries to research a husband bullied by his wife that is being mocked by Gamel while Ankh follows a lead for a missing Core Medal.
S01E08 Sabotage, Having No Greed, and Taking a Break
Amidst Hino's failed attempts at stopping the Komoris' argument, Momoko takes the winning scratchcard and throws it into a nearby river. As Takeshi frantically searches for it, she reveals to Hino why Takeshi has become...
S01E09 Drenched, the Past, and the Scorching Combo
In flashbacks, Eiji fails to save a girl amidst a foreign civil war. In the present, Satonaka meets with Eiji to collect Kougami's fee until an explosion occurs outside.
S01E10 A Fist, an Experiment, and a Super Bike
As Maki observes the bomber, Kougami Biotech Laboratory technician Toru Tadano, Ankh scolds Eiji, who later discovers Maki's whereabouts.
S01E11 A Traveler, a Swallowtail, and a Celebrity
Eiji encounters an old friend and globetrotting blogger, Keisuke Tsukuba, who has come to Japan to find a publisher for his work.
S01E12 An Eel, the World, and the Gravity Combo
Following Goto's attack, the Ageha Yummy retreats again while Eiji learns of Goto's distate towards him.
S01E13 Episode 13
S01E14 Episode 14
S01E15 Episode 15
S01E16 Episode 16
S01E17 Episode 17
S01E18 Episode 18
S01E19 Episode 19
S01E20 Episode 20
S01E21 Episode 21
S01E22 Episode 22
S01E23 Episode 23
S01E24 Episode 24
S01E25 Episode 25
S01E26 Episode 26
S01E27 Episode 27
S01E28 Episode 28
S01E29 Episode 29
S01E30 Episode 30
S01E31 Episode 31
S01E32 Episode 32
S01E33 Episode 33
S01E34 Episode 34
S01E35 Episode 35
S01E36 Episode 36
S01E37 Episode 37
S01E38 Episode 38
S01E39 Episode 39
S01E40 Episode 40
S01E41 Episode 41
S01E42 Episode 42
S01E43 Episode 43
S01E44 Episode 44
S01E45 Episode 45
S01E46 Episode 46
S01E47 Episode 47
S01E48 Episode 48
Cast
Shu Watanabe
Eiji Hino / Kamen Rider OOO
Ryosuke Miura
Ankh / Shingo Izumi
Riho Takada
Hina Izumi
Asaya Kimijima
Shintaro Goto / Kamen Rider Birth
Takashi Ukaji
Kousei Kougami
Mayuko Arisue
Erika Satonaka
Hiroaki Iwanaga
Akira Date / Kamen Rider Proto-Birth
