Season 1
(2010)
Cast
as Eiji Hino / Kamen Rider OOO
as Ankh / Shingo Izumi
as Hina Izumi
as Shintaro Goto / Kamen Rider Birth
as Kousei Kougami
as Erika Satonaka
as Akira Date / Kamen Rider Proto-Birth
Episodes
Medals, Underwear, and the Mysterious Arm 0.0
September 5, 2010
A mysterious arm reawakens the Greeed from their slumber and decides to use Eiji Hino, a cheerful wanderer, as his mean…
Desire, Ice Pops, and Presents 0.0
September 12, 2010
Ankh explains the Greeed and the purpose of the Medals to Eiji, even as the human desires to merely use his new power t…
A Cat, Evolution, and a Glutton 0.0
September 19, 2010
Ankh becomes troubled when Eiji prevents him from eliminating his possessed body's sister while another Greeed uses a m…
Doubt, a Picture Message, and a Helping Hand 0.0
September 26, 2010
Ankh threatens to leave OOO for Kazari and the Greeed while investigating the evolution of humanity while Eiji tries to…
A Game of Tag, a Nest, and a Rich Girl 0.0
October 3, 2010
Kougami asks for a share of Eiji and Ankh's Medals, while Mezool decides to use Hina's shopaholic classmate to create a…
Fashion, a Contract, and the Strongest Combo 0.0
October 10, 2010
Hina confronts Yamano's shopping addiction when her father goes bankrupt while Ankh confronts Kougami about his share d…
A Lousy Husband, a Trap, and a Jackpot 0.0
October 17, 2010
Eiji tries to research a husband bullied by his wife that is being mocked by Gamel while Ankh follows a lead for a miss…
Sabotage, Unselfish, and Taking a Break 0.0
October 24, 2010
Eiji gets to the root of the Komoris' problem involving greed and loss of ambition while Ankh fights for survival after…
Drenched, the Past, and the Scorching Combo 0.0
October 31, 2010
A serial bomber tied to a nest of Yummies leads to Eiji to reveal his past to Hina and forces him to encounter a strang…
A Fist, an Experiment, and a Super Bike 0.0
November 7, 2010
Eiji must figure the means of stopping the mad bomber and his Yummies to prevent any more lost lives, even with Maki ob…
The Traveler, a Swallowtail Butterfly, and a Celebrity 0.0
November 14, 2010
Eiji's traveler friend becomes manipulated by Uva into becoming famous as he steals others attributes; while Gotou doub…
An Eel, the World, and the Gravity Combo 0.0
November 21, 2010
Eiji teaches a lesson to Tsukuba and Gotou about going forth to gain what is desired; while Ankh tries to figure a way …
A Siamese Cat, Stress and the Genius Surgeon 0.0
November 28, 2010
Ankh becomes sick of dealing with the problems of working with Eiji as Kazari targets a famous surgeon who believes she…
Pride, Surgery, and a Secret 0.0
December 5, 2010
Eiji rushes to find Ankh to save Shingo's life while Tamura discovers the truth about what it means to be a surgeon.
The Medal Struggles, the Transporter, and the Vessel 0.0
December 12, 2010
Kazari uses a transport truck of Cell Medals, a Core Medal of Ankh and a captured Hina to lure all sides into a free-fo…
An End, the Greeed, and a New Rider 0.0
December 19, 2010
Maki and Kazari experiment with Gamel in determining the use of a Greeed for a Core Medal container as Eiji approaches …
The Kendo Girl, Oden, and the Splitting Yummy 0.0
December 26, 2010
Eiji and Ankh try to figure out Akira Date, the man who has become Kamen Rider Birth, as Uva creates a peculiar Yummy f…
Destruction, Motives, and the Eel Whip 0.0
January 2, 2011
After a second Yummy splits off from the original with a different motive, Eiji and Akira must work to figure the true …
The Red Medal, the Detective, and Betrayal 0.0
January 9, 2011
Kazari creates an "evolved" Greeed using the desires of a convict to get back at a traitorous hoodlum and Shiro in orde…
The Decoy, Quantification, and the Flaming Combo 0.0
January 16, 2011
After being abandoned by Ankh desiring the return of one of his Core Medals from Kazari, Eiji is found by the cowardly …
The Grasshopper, Father and Son, and the Ally of Justice 0.0
January 23, 2011
Uva uses the desires of a troubled father to serve justice for the sake of his son to create a Greeed that assist him i…
Chocolate, Faith, and the Power of Justice 0.0
January 30, 2011
Eiji and Shintaro work to try and stop Susumu and his son from going too far as they use the power of their Yummy to at…
Beauty, an Egg, and the Sleeping Desire 0.0
February 6, 2011
Akira decides to bond with Eiji to investigate his travels while Kazari slowly awakens the sleeping desires within the …
Memories, Love, and the Marine Combo 0.0
February 13, 2011
As Eiji becomes smitten with the elder Yumi sister, Akira tries to reach out to her sudden obsession with being the mos…
The Boxer, the Left Hand, and the Bird Yummy 0.0
February 20, 2011
Ankh starts acting suspicious when a new bird Yummy emerges created to help a washed-up boxer stand in the ring once mo…
Ankh, the Ring, and Placing Everything On 0.0
February 27, 2011
Akira and a worn-down Eiji work to stop the Yummy before the worn-out Okamura stands in the ring once more against his …
1000, the Movie, and the Combatmen 0.0
March 6, 2011
Kougami commands the cast to make a Kamen Rider movie in celebration of the franchise's 1000th episode, leading to a su…
1000, the Kamen Riders, and the Birthday 0.0
March 13, 2011
As the movie continues to have complications, Sendou discovers the prices of making a deal with an enemy who takes adva…
The Big Sister, the Doctor, and the Truth about Ankh 0.0
March 20, 2011
Eiji investigates the truth regarding who Ankh is, while Kazari decides to create a Yummy from Maki's desire to see wha…
The King, the Panda, and the Flames of the Memory 0.0
March 27, 2011
Eiji and Akira force Ankh to reveal the truth about OOO and his incomplete revival, while Maki reveals to Chiyoko the c…
Gratitude, Scheming, and the Purple Medal 0.0
April 3, 2011
Hina's friend asks Eiji to help discover who has been helping paying her family money anonymously, while Maki reveals a…
The New Greeed, Emptiness, and the Invincible Combo 0.0
April 10, 2011
The truth behind Eiji's philosophy on life is revealed as he becomes the container of the mysterious Purple Medals and …
Friendship, Chaos, and the Belt Left Behind 0.0
April 17, 2011
Eiji is summoned to a park owned by a former school friend who wants to be a greater help to his dreams.
The Best Friend, Uses, and Their Relationship 0.0
April 24, 2011
Eiji confronts Yuichi about his desire to be the only one to be there for him, even as his Yummy continues to abduct Ei…
Dreams, the Big Brother, and Birth's Secret 0.0
May 1, 2011
Hina tries to work out what her real dream is when she wins a fashion show while Uva tries to work all sides to regain …
Broken Dreams, the Body, and the Greeed Resurrection 0.0
May 8, 2011
Ankh tries to figure his position with Shingo's sudden reawakening and the difficulties with the return of Mezool and G…
Sleep, One Hundred Million, and the Birth Transfer 0.0
May 15, 2011
Gamel and Mezool work together to create a Yummy that make people tired but sleepless while Shintaro confronts Akira ab…
Circumstances, Farewell, and a Tearful Birth 0.0
May 22, 2011
Eiji tries to deal with Akira as he joins with Maki and the Greeed while Shintaro tries to figure some way of winning B…
The Nightmare, Security Cameras, and Ankh's Revenge 0.0
May 29, 2011
Ankh worries about his future and the assault of his other self while Chiyoko declares war on a security-obsessed house…
Control, a Birthday Party, and the Disappearing Ankh 0.0
June 5, 2011
As Yumemi becomes a police-state controlled by the Shimoda family and their Yummy, Eiji tries to prove to Ankh on wheth…
Siblings, the Rescue, and Eiji Leaves 0.0
June 12, 2011
After Ankh is taken back by his body, Eiji becomes resolved to bring him back even with no longer wanting Hina and Shin…
Ice, Greeedification, and Broken Wings 0.0
June 19, 2011
Doctor Maki approaches Eiji about the truth of the Greeed, themselves and the Purple Medals within them while working w…
The Vulture, the Confrontation, and Ankh Returns 0.0
June 26, 2011
Although finally restoring himself, Ankh retakes Shingo's body and decides to start collecting Medals for himself even …
Everyone Together, the Perfect Resurrection, and Your Greed 0.0
July 3, 2011
Kougami reveals the importance of Eiji as the container and the danger of the Purple Medals, while Ankh unites the Gree…
The Surprise Attack, the Proto Birth, and the Desire of Love 0.0
July 10, 2011
Eiji and Shintaro invade Maki's mansion in hopes of reclaiming the Medals, while Mezool continues to ponder the truth o…
The Eiji Greeed, the Double Births, and Ankh's Desire 0.0
July 17, 2011
Gamel rampages thinking that he can still revive the dead Mezool, while Ankh realizes his true desire even with Eiji no…
The Red Crack, Satisfaction, and Eiji's Vessel 0.0
July 24, 2011
Eiji's realization of desire and his Purple Medals forces him to take anything in his way, including Ankh and a final o…
The Medals of Tomorrow, Underwear, and Arms Held 0.0
July 31, 2011
Having finally taken the burden to becoming the true OOO, Eiji fights to prevent Doctor Maki from realizing his "perfec…