News reporter Shinji Kido is drawn into a case involving a series of abductions involving reflections when he suddenly found a mysterious deck left by the individual in the victim's apartment. As Shinji tries to figuring out the cause of this mystery, a mysterious woman and a man with a black coat pursues Shinji, asking if he was a Kamen Rider.

Having become a Kamen Rider himself, Shinji tries to discover more from another Rider and his female partner as the mysterious dragon continues to pursue him while his female partner talking about her brother's existence. Having witnessed the battle he participates, Shinji decided to participate in the war as Kamen Rider Ryuki.

Shinji discovers the truth of becoming a Kamen Rider and the battles yet to come while a school becomes haunted by the emergence of a pack of Mirror Monsters. Suddenly, a mysterious figure from the mirror appears in front of Shinji, urging him to fight for his own destiny.

When Darkwing appeared to scare a student, Shinji inquires further about Ren after suspecting that he had a darker intention in his means as a Kamen Rider. However, Yui denies Shinji's accusation about Ren's act as Yui explains to Shinji about Ren's true purpose of fighting.

Shinji investigates an antiques shop where Reiko was attacked by a mysterious person when she investigates the mystery of antique shop owner's disappearance. In order to meet a mysterious person, Shinji gave mysterious person a name card, without realizing that Shinji's action had putting Yui's life in danger.

As Ren tries to close in on the antique store murderer, Shinji unknowingly gives Kamen Rider Scissors the fuel for gaining an edge in the Rider Fight.

Yui is pursued into finding a man by her visiting grandmother, while Shinji encounters a lawyer who brings forth trouble around every corner. In the meantime, Reiko meets an old man who claims he owns some of the mutated species he found near a river bank.

An investigation leads Shinji to find out more on Shuichi while trying to prove his worth to Yui's grandmother to get a new place to stay.

Shinji is arrested after being falsely accused for abducting Nanako, leading to Yui and Ren hiring Shuichi to bail him out. However, as Shuichi attempts to free Shinji from his false accusation, he suspects that Shinji was Kamen Rider Ryuki.

Discovering Shuichi is Kamen Rider Zolda, Ren tries to back out of using the lawyer in saving Shinji, even as Shuichi goes through a crisis of morality and mortality. While Nanako is finally recovered from her last assault, she discovers a shocking discovery about Shuichi.

Shinji pursues Ren after he loses his memory while Yui returns to her brother's university in an attempt to locate his whereabouts. In the meantime, Reiko is investigating the mysterious disappearances of several passengers on a train.

Ren's past comes to light as both he and Yui return to Shiro's last known whereabouts and the birthplace of Kamen Rider Knight, as well as Eri's fate following the secret experiment's aftermath. When Yui finds nearly dead Professor Ejima in the Room 401, he blames Yui for causing a disaster before he dies.

An investigation into elevator abductions leads Shinji to encounter the one he thinks is Zolda while Ren encounters a fortuneteller who wants to stop the Rider Fight. As Shinji encounters Zolda, he accidentally unleashes the finisher that 'killed' Zolda in the process.

When Shinji learned that Zolda is actually Goro, Shuichi blames Shinji for his actions, making him believe that he killed Zolda in the previous fight. Learning from the troubles Shinji suffered, Ren arrives to clean up his name by exposing the true culprit behind Zolda's death.

With Yui hired as a part-time journalist following Chief Editor's absence, Shinji and Yui investigate a series of incidents involving masked men fighting each other controlled by a cruel gamemaster. Meanwhile, the fortuneteller predicts something terrible would happen to Ren if he continues to fight.

The ORE Journal is in jeopardy when Jun Shibaura suddenly appears and becomes the new Editor-in-Chief, only to reveal his plans to use ORE Journal to promote the fatal fighting game to the subscribers in larger scale. To make matters even worse, Jun threatens Shinji by attempting to burn the Dragreder card he stole from him if he tries to turn against him. Ren puts his duel to Jun to decide who's the strongest, while Miyuki warns Ren about the terrible fate that might happen to Ren if he continues to fight Jun.

With Ren doubting his ability to go through killing other Kamen Riders, Shinji and Miyuki contemplate his possible paths and the potential doom that he faces. As Sanako decided to go out for her 'secret association meeting', Yui continues to investigate the truth behind the secret experiments her brother conducted. Meanwhile, Shuichi attempts to release a prisoner.

Imprisoned criminal Takeshi Asakura is approached by Shiro in joining the Rider Fight to grudge against lawyer Shuichi Kitaoka who refuses to release him. Meanwhile, after Yui saw Eri's terrible condition in the hospital, she blames herself for causing this disaster. With the breaking news of Takeshi's sudden jailbreak spreading across the nation, Shinji ride into his action as a journalist for the first time.

Shinji becomes trapped with Takeshi as he holds hostages in order to gain a battle with his former lawyer Shuichi. Meanwhile, in Atori, Jun invites Ren and Miyuki to participate in a game that gathers all Riders together in the Mirror World for one big battle, only to realize that the game he held has backfired on himself.

Shinji questions Takeshi on why he enjoys killing people for his own satisfaction without thinking about others. In the real world, Shinji is surprised when Ren suddenly decides to help Takeshi evade being recaptured by the police. Meanwhile, Yui tries to uncover more secrets about her brother's experiments when she finds a film containing an image of the house she obtained from a research file. As Shinji battles against Takeshi once again in Mirror World, Ren suddenly appears and attacks Shinji.

After discovering Ren's reason for entering the Rider Fight, Shinji hesitates if he should fight or not. Meanwhile, Yui and Miyuki make a discovery at the old mansion that is connected to her and Shiro's past. As Ren prepares another battle with Takeshi, Shinji appears in front of them, deciding that he will fight Ren till the end.

As Ren tries to learn about Yui's past, Miyuki felt time is running short when Shiro targets him for death for disobeying his desires for the Rider Fight. In the meantime, Takeshi kidnaps Goro to force Shuichi to fight him face to face.

Ren battles with Shuichi in the Mirror World to decide who will survive. Miyuki reveals his past to Shinji as he contemplates the costs of changing destiny, as Shiro orders Takeshi to eliminate Raia for his refusal to fight. In the meantime, Reiko goes out to investigate Takeshi's disappearance.

Reiko tracks down and investigates Takeshi in order to find out the truth behind his aggressive, vexed behavior, only to discover that Takeshi had a long-lost brother who still lives. Following Miyuki's death, Shinji blames himself for letting Miyuki die in Takeshi's hands. Disgusted by her brother's reckless action, Yui decides to revisit the old mansion, urging Shiro to stop the Rider War. While Ren, Shinji and Shuichi battle against Mirror Monsters, they discover that the Contract Monsters they owned suddenly disappeared, when Shiro appears telling them that the Rider War is over.

Shinji and Ren are forced to track down Yui as she confronts her brother about her connection to the Rider War and their childhood memories. Reiko tries to find Takeshi's younger brother, believing that will change him for good, only to discover that Takeshi used his younger brother to feed his Contract Monsters. As Ren, Shinji and Shuichi battle against Takeshi, he unleashes a new Card that does something the Riders didn't expect to happen.

After learning the truth about Takeshi's continuous acts of monstrosity, Reiko feels guilty over Takeshi's younger brother's fate. When Goro goes out to replace Shuichi's job, he hires Shinji as a temporary secretary for him as he tries to change his perspective on what to fight for. Still not satisfied by her brother's actions, Yui decided to confront Shiro once again in the mansion. Reiko tries to investigate the truth behind Takeshi's sudden jailbreak.

A young boy learns about the Rider War and steals Shinji's Deck before coming to realize that it is not all it is cracked up to be.

Yui, after a confrontation with Shiro in the Kanzaki Household learns that her brother is dead

The 4 remaining Riders meet a new Rider, claiming himself to be the "13th" Rider.

Kamen Rider Odin uses Time Vent to correct an error in Time but appears to inadvertently send Shinji back in time also. Shinji attempts to save the Riders by changing the flow of time but fails.

Yui tells Reiko about her brother's appearances even though he is apparently dead.

Reiko and Nanako both are stalked and also go missing after having marriage interviews with a man.

A monster is revealed to be the Kidnapper.

Shuichi's previous Secretary, Megumi sues him for breaking off their engagement. After finding out that she is sick, Goro finds out that she is dying. Shuichi goes on a date with Megumi only to find that her supposed fatal disease is just low blood-pressure

Shinji and Ren trying to protect a traumatized girl who witnessed a mysterious disappearances among the passengers on a ship when they discovered Takeshi was boarding on it. To make matters even worse, a girl running towards him, claiming that Takeshi had saved her life.

Takeshi's three Contract Monsters reach their breaking point and attempt to attack him on multiple occasions.

Reiko discovers more information about Shiro Kanzaki's actions in America.

Takeshi eventually manages to feed his three monsters after nearly being stopped by Ren.

Megumi attempts to see why Shinji can walk into and out of glass and supposedly finds out but is later shown to be wrong.

Reiko & the Chief Editor make links between the disappearing people, Shiro Kanzaki & the Mirrors.

Yui begins to fade as do the Riders in the Mirror World.

Ren notices that Eri's health is critically deteriorating, and she only has a few weeks to live.

Shuichi is struggling with his disease as his health is gradually declining.

At the abandoned Room 401, a mysterious Rider makes his entrance.

Shinji receives a Survive Card from Shiro Kanzaki.

Takeshi searches for Shuichi in order to fight.

Disgusted by Shinji, Ren and Yui's discouragement, Sanako forces them to get out and take a walk for a while.

After getting into an argument, later on, Ren asks Shinji to fight him.

In order to survive, Shinji uses the Survive Card and declares that he won't allow Ren to kill him.

Ren and Shinji continue to fight.

Yui learns that Ren will continue to fight for Eri's sake by any means, even if it means he will be dead before his wish can be granted.

Takeshi is arrested a tip-off from Shuichi.

Daisuke and Reiko try to find a connection between the recent disappearances with the mirrors, and more secrets behind Shiro Kanzaki and the Ejima Lab (now known as Kagawa Lab).

Ren challenges Shiro to fight by force in the Mirror World, but is overpowered by Odin. However, before Odin can destroy Knight's Card Deck, he stabs Odin with his Winglancer.

Shinji learns that the occupants of Room 401 at Seimeiin University are planning to seal Mirror World.

Eri finally regains consciousness.

Takeshi, who was going to be transferred to a prison instead, escapes thanks to the Metalgelas card.

Ren continues to look for another fight with Takeshi, while Shinji is looking for Ren to tell him the truth about Eri's condition.

Yui tries to tell Ren that Eri has just regained consciousness.

Someone tries to drag Yui right into the Mirror World.

Yui is attacked by a new Rider.

The doctor tells Ren that Eri's sudden awakening is a coincidence.

Shinji continues to find a way to seal the Mirror World.

Eri leaves the Hospital and is nearly killed by a Monster.

Eri learns that Ren was fighting Monster all the time as a Kamen Rider.

Satoru works as a part-timer waiter at Atori tea house.

Shinji learns that in order to stop the Rider War, Yui must be eliminated.

After having her first meeting with Ren since she regained consciousness, Eri falls back to sleep.

Satoru betrayed Hajime by killing him the moment Hajime finishes Ryuki in the process.

Shinji learned that Satoru was Kamen Rider Tiger.

The ORE Journal staffs discover the secret of Mirror Monsters.

Takeshi once again managed to escape prison.

Shiro threatens Kagawa for his attempt to seal Mirror World.

The 6 remaining Riders fight in a large battle against a large group of Monsters.

A new Rider appears.

Satoru finds out that Hideyuki has his own family, much to the dissatisfaction of Tojo himself.

Takeshi attempts to find Satoru by asking Shuichi, and later Shinji.

Shuichi finds Room 401, the room where Shiro Kanzaki worked.

Having learned the secrets about the Mirror World, Satoru attempts to kill Reiko.

Mitsuru Sano reveals himself to everyone as Kamen Rider Imperer, offering his services as an ally for cash.

Mitsuru accepts both sides' offer to ally with them but ultimately chooses Hideyuki and Satoru.

Shiro tells Takeshi where Satoru and Hideyuki are and tells him to kill them. Takeshi later finds out that they aren't there, until he confronts Shinji, Ren and Shuichi at the same time.

Reiko questions Shuichi about the thing that attacked her last time.

Ren is enraged by Shinji's decision to include Mitsuru as his comrade.

Hideyuki brings Satoru to lunch with his family to teach him the moral lesson about being a hero.

Satoru kills Hideyuki and shatters the Alternative Deck.

Mitsuru, after being dumped as an ally by Satoru attempts to ally himself with Shinji, Shuichi and Takeshi, but none of them works.

Shinji and Ren go searching for Yui inside Mirror World but none of them found her.

Takeshi nearly kills Satoru and later, Shuichi nearly kills Satoru. However, he survives both in the end.

As Shiro finally met Yui for the first time inside the Mirror World, several Mirror Monsters tried to threaten Yui before Shiro uses his psychic powers to resist the Mirror Monsters' assault.

Yui returns to the Normal World and doesn't remember anything.

Mitsuru becomes the head of his father's company and tries to pay others to be his allies.

Despite becoming president, Shiro warns Mitsuru that even though his wish is granted, he has to continue fighting as a Kamen Rider or face a terrible consequence.

There is public backlash against ORE Journal after they publish the photos of the Mirror Monsters.

After becoming Mitsuru's friend, Satoru backstabs him allowing Takeshi to easily kill Mitsuru.

Shinji realises that Yui is fading but doesn't believe it at first. However, Yui realizes it herself later and begins to panic, and she calls Ren to pick her up.

ORE Journal is seized due to the failure of the Mirror Monster scoop. However, Chief Editor tells Shinji that as long as his PC is in hands, the ORE Journal will continue to exist.

A child version of Yui appears inside the mirror, and warns present Yui that on her 20th birthday, she'll disappear.

Reiko orders Nanako and Megumi to spy on Shuichi.

Asakura tells Tojo that he was really the one that killed Mitsuru.

One of the Sheerghosts begins to multiply, creating thousands of them.

Shinji learns that the Rider War was created to save Yui.

Satoru challenges the other Riders to a battle. Later, he douses their cars with gasoline to stop them from leaving Mirror World.

Takeshi seemingly dies in an explosion after igniting a gasoline-covered car.

Satoru sacrifices himself by jumping in front of a truck to save a boy and his father.

Shinji made his final decision to fight Ren for Yui's sake.

On two separate occasions, Shinji is unable to destroy Ren even though he had found a reason to fight until his hesitation forces him to refuse to fight.

Shinji had to pretend to be cheerful, much to Ren and Yui's concern over Shinji's sudden overacting of joyfulness.

Shuichi collapses from his illness.

Reiko returns from New York with the documents which contain the information about Shiro Kanzaki.

A savage Destwilder is slain by Shinji and Ren after killing a couple.

Continuing from the previous battle, Shinji fights Ren once again.

The multiplying Sheerghosts curl into a pool and later hatch into Raydragoons.

Shiro tells the remaining Riders to finish the battle in three days. Otherwise, no one will get their wish.

Shuichi has in fact not died and is recovering in hospital.

Yui tries to jump off of a high building to stop the Rider War but Shiro prevents her.

Reiko and Chief Editor trying to solve mystery about Mirror World and Kamen Riders.

Reiko discovers that Shinji is a Kamen Rider.

This episodes marks the revelation of the Mirror World and Shinji's identity as a Rider to Reiko, as well as Yui's final appearance.

With his status as the last Rider standing, Ren faces off against Odin in order to grant his wish, while Asakura prepares for his final battle against Kitaoka once and for all. Later, Asakura successfully kills Zolda only to realize it was Goro the whole time, only for him to be gunned down to death by the police. After hearing Yui's appeal to stop the Rider War, Kanzaki finally realizes the pointlessness, while Ren is the sole surviving Rider with his wish granted.

A luckless boy named Ryotaro Nougami comes across a strange train pass and becomes possessed by a powerful demon as he finds himself unexpectedly becoming the a hero known as Den-O fighting strange creatures from another time!

Ryotaro discovers more about his duty as Den-O to protect the timestream as he tries to figure a way to appease Tetsuo before the Bat Imagin can ruin the past.

Momotaros decides to use Ryotaro's body without his permission, leading to him to become the bodyguard of a minor criminal in need of cash.

Angry with Momotaros for using his body for the sake of money, Ryotaro decides to handle helping Yamagoshi without summoning the Imagin for help!

A suave but lying Imagin suddenly takes over Ryotaro's body, angering Momotaros as he fights to assert his dominance within the Singularity Point!

With Urataros causing nothing but trouble, Ryotaro is forced to make a decision regarding whether to keep the lying Imagin around while he and Hana try to figure out the Imagin's contract holder.

Momotaros tries to prevent Urataros from causing too much chaos with Ryotaro, while Ryotaro sparks the jealousy of a boyfriend of a girl he is forced with, leading to a drastic confrontation.

Both Ryotaro and his sister Airi work to try and improve relations between the broken couple as Den-O tries to figure out the mystery behind the Imagin's attacks.

Ryotaro and Hana pursue two Imagin attacking martial artists, one to eliminate rivals while another only to prove its own strength against other opponents.

Ryotaro tries to discover the truth regarding the karate champion possessed by the Rhino Imagin, while Hana tries to make sense of the Bear Imagin and what he really desires.

Ryotaro becomes the bodyguard of an adoring idol who suddenly finds herself under attack, both in a plot of jealousy and an Imagin.

After discovering the Imagin contract holder is Kasumi's father, Ryotaro tries to discover why as Kintaros keeps trying to manage resolving the crisis in his own stubborn ways!

Ryotaro suddenly becomes possessed by an evil spirit who kicks out all the other Imagin and deals with threats in its own destructive way!

Ryutaros continues to cause problems to the other Imagin in holding on to Ryotaro's body, forcing them to take action in order to get their partner back.

Ryotaro is taken hostage by a wannabe criminal in a bathhouse as an aquatic Imagin starts running amuck.

As he remains hostage by the bathhouse owner, Ryotaro tries to figure out the mystery of his relations with his former boss while trying to prevent Ryutaros from dealing with him his own way.

Ryotaro and Hana decide to clamp down on the Imagin possessing him out of fear of Den-O's health; as Ryotaro encounters a former classmate nostalgic for the past.

After encountering the mysterious Past Man, Ryotaro decides to stay in the past in hopes of determining who he really is, even at the risk to himself.

Yuto Sakurai's past self appears before Ryotaro to tell him to not try to be so reckless in his pursuits again as a violent Imagin suddenly makes its move in the present.

Yuto confronts Ryotaro about his duty as Den-O while both try to stop the Jelly Imagin from causing chaos.

Ryutaros grows jealous of Yuto due to his connection to Airi, making him take drastic action in order to take him down!

The fight between Den-O and Zeronos continues as they fire shot for shot, until Hana, once, again, tries to intervene.

A bizarre Imagin boards the DenLiner, pushing around the other Imagin in order to be pampered and to protect his newborn host!

After Ryotaro becomes arrested while trying to return Sieg's host, Hana tries to teach the troublesome Imagin what it means to be a real, responsible prince.

Ryotaro continues to try and gain the trust of Yuto, even as he's being dragged to an important climax!

Ryotaro continues to attempt to assist the Zeronos of the present in protecting a contract holder from the Spider Imagin even as Yuto's future self keeps dragging him to another time!

Two Imagin controlled by a hidden mastermind possess a pair of criminals in order to attempt to both attack the present and lure Ryotaro into a trap!

After defeating Gaoh, Ryotaro's ability to fight as Den-O becomes complicated when three of the Imagin start to fade away due to the measures needed in the prior showdown!

In order to gain the ability to use Climax Form better, Ryotaro uses a haunted house challenge to inspire the Imagin to work together in harmony.

Deneb approaches Ryotaro in hopes of having him become his Imagin in order to prevent Yuto from using his final Zeronos Card.

A former suitor of Airi returns in hopes of winning her heart in the absence of the missing Yuto, leading to Yuto's younger self and even Ryutaros to respond.

As Den-O has trouble dealing with the Anthopper Imagin, Yuto contemplates the need for the final Zeronos card and the permanent damage that will occur if finally used.

The DenLiner crew discover an anomaly associated with the missing future as Hana suddenly transforms into a young girl.

Ryotaro works to try and figure out the mystery of the wandering piano player and what his true wish is before his Imagin can complete its desire.

Fearful of Yuto's fate knowing of the truth of what happens to those who aren't remembered, Ryotaro decides to try to become strong enough to protect him and time.

As Ryotaro's dread on Yuto's fate is furthered with him becoming Zeronos again, he and the Imagin try to figure a way for him to transform in the past due to the mysterious future line throwing off their synchronization.

Ryutaros finds himself conflicted when his boss arrives to check on his progress, while he continues to feel the anger of trying to win Airi from Yuto.

With the DenLiner running amuck throughout time, the DenLiner crew must figure a way to save the trains while dealing with Ryutaros' feelings after being manipulated by Kai.

While Ryotaro tries to figure out the true purpose of Yuto's interactions with both present and past actions, Kai decides to experiment in eliminating Zeronos in the past.

With the people of the world altered from Yuto's removal from time, Ryotaro tries to figure out how to bring him back while dealing with Kai's manipulations.

Shocked by his actions in the world without Yuto, Deneb tries his hardest to create connections so that his partner will not disappear with the usage of his Zeronos cards.

Discovering that the female contract holder's wish was for Yuto himself, Deneb continues to try and make things memorable in hopes of helping his partner make true lasting memories.

With the realization that the defeat of Kai may mean the departure of the Imagin, Ryotaro begins to try and prove that he can fight on his own without any assistance.

With Ryotaro continuing to deny the help of the Imagin out of fear of losing them, Momotaros decides to take a stand while the others deal with the stowaway Imagin in the King Terminal.

Ryotaro tries to find a way to travel back to the day his sister lost her memory, in hopes that it would reveal the full truth regarding what happened to her and to her fiance Sakurai.

With the shocking revelation of what really happened the day Sakurai disappeared with Airi's memory, Ryotaro must piece together how it connects to his broken memory as the truth regarding the key to the Junction Point is revealed.

When Kai begins a multi-tier attack in order to eliminate Airi, both Ryotaro and Yuuto try to stop him, with a Imagin deciding to help in trying to make sure that the past and future is protected...

On their way back to stop Kai from killing Airi, Urataros takes over the DenLiner with several other Imagin, dumping Ryotaro at the moment where his missing memory is revealed!

Ryotaro returns to the present to confront Kai and bring an end to his mad reign of terror, even if it means an end to all Imagin, including Momotaros and his allies!

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.

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.

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.

Ankh threatens to leave OOO for Kazari and the Greeed while investigating the evolution of humanity while Eiji tries to find more about Hina.

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.

Hina confronts Yamano's shopping addiction when her father goes bankrupt while Ankh confronts Kougami about his share deal of the Cell Medals.

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.

Eiji gets to the root of the Komoris' problem involving greed and loss of ambition while Ankh fights for survival after a failed confrontation with Uva.

A serial bomber tied to a nest of Yummies leads to Eiji to reveal his past to Hina and forces him to encounter a strange man he believes is Mezool's victim.

Eiji must figure the means of stopping the mad bomber and his Yummies to prevent any more lost lives, even with Maki observing the creation of his worker's monsters.

Eiji's traveler friend becomes manipulated by Uva into becoming famous as he steals others attributes; while Gotou doubts Eiji's effectiveness as OOO.

Eiji teaches a lesson to Tsukuba and Gotou about going forth to gain what is desired; while Ankh tries to figure a way to manage the flying Ageha Yummy using Gamel.

Ankh is at a breaking point with everything surrounding his human host; a highly sought after doctor has been repeatedly removed from the operating room, making her frustration a perfect target for the Greeed.

Both Hina's brother and the hospital director are in critical condition after Ankh's detachment and the Yummy attack. Eiji must find both Ankh and the affected surgeon before it's too late.

Ankh finds one of his core medals; Gotou is transporting a truck full of medals to Doctor Maki; Kazari appears to Ankh and Eiji, telling them that Hina is in Gotou's truck.

Eiji learns about how the Greeed were born; Gamel searches for Mezool; Kamen Rider Birth joins the fight.

The Greeed take an interest in a girl who wants to get better at kendo; Ankh takes an interest in Kamen Rider Birth; Hina gives both Eiji and Ankh gifts for saving her.

Eiji and Ankh try to find out the reason that the Yummy split in two, but Kamen Rider Birth is one step ahead of them.

Kougami tries to give Eiji one of Ankh's medals, but he refuses; a face from the detective's past shows up at Cous Coussier; thanks to Kazari, a criminal that the detective put away is on the streets and looking for revenge.

Ankh tricks Kazari by telling him that Eiji knows where his last medal is and then chases after Hina who has his own medal; Date and Gotou discuss the skills need to be Kamen Rider Birth; Kougami changes his mind and sends Ankh's medal to Eiji.

The Cous Coussier gang runs into a young boy getting attacked for telling off a man for littering, learning that it's something he picked up from his father; the Greeed creates a Yummy from the desire to help people.

Susumu lets his desire for justice get out of hand and it's up to Eiji to stop him before it's too late; Gotou and Takashi have a heart-to-heart conversation about their ideals.

Kazari is drawn to the vanity of woman whose sister takes all the credit for her work.

Eiji is head over heels for Yuumi and it's up to Date to save his old friend before she does something that she'll regret.

Ankh is acting more standoffish than usual; a boxer is forced into retirement just before a big match and is captured by a bird Yummy.

Eiji is still super beat up from the previous battle but he is the only one who believes that Ankh did not create the bird Yummy; Kazuki heads back to the ring as Date and Gotou rush to stop him from injuring himself more.

Kougami invites Eiji and Ankh over to celebrate the 1000th episode of Kamen Rider and decides to make a movie to celebrate; Kazari is drawn to a Shocker grunt who joins the movie.

Even though he's injured, Date still wants to finish directing the movie; Sendou starts sabotaging the movie with his new friends.

Kazari uses Dr. Maki's desire to make a Yummy; Gotou goes back to work; a strange monster shows up with Ankh's other arm.

Dr. Maki and Chiyoko have a heart-to-heart talk about his sister; Kazari takes Ankh's memoryless body under his wing; Kougami tells Gotou the story of the medals as Eiji and Date get Ankh to finally tell his story.

Dr. Maki and Kazari try to awaken a brand new Greeed; a man has been unknowingly using Greeed money to pay off an old debt; Eiji gets infected by purple core medals.

An x-ray reveals that there should be nothing wrong with Eiji; Date tells the others about the time he previously ran into Eiji; Eiji uses the purple medals.

Eiji is forced to use the purple medals again; an old friend from High School invites Eiji to an amusement park where Hina is then kidnapped; a Yummy abducts Date and Gotou.

Ankh tells Eiji about what his friend has been doing; a Yummy kidnaps Ankh; Eiji forces himself to use the purple medals.

Hina wins first place in a fashion contest and is offered a chance to study in France; Dr. Maki creates a Yummy that destroys people's dreams; Date collapses in battle and Kougami finds an interesting x-ray on his brain.

Hina's brother has woken up, leaving Ankh without a host; Eiji discovers Hina destroying all of her clothes after getting her dream broken; Uva revives Mezool and Gamel.

Gotou finds Date avoiding his checkup; a Yummy causes people all over the city to suffer from insomnia; Dr. Maki makes Date an offer.

Date joins forces with the Greeed; Gotou tries to raise the 100 million yen himself; a new Birth is born.

Ankh has nightmares about losing Eiji to the purple medals and other Ankh; a man has set up surveillance cameras all over the neighborhood, trying to force out Eiji and Ankh because they make the neighborhood look bad; now that Gotou is Birth, Kougami assigns Satonaka as Birth's new partner.

The Cous Coussier crew get thrown out of town where they decide to throw Ankh the birthday party for Hina's brother; the Yummy has holed himself up with a human barricade, forcing our heroes to wait until he surfaces again; the other Ankh waits for his other self to let his guard down so that he can become whole again.

Ankh is absorbed into a single body, but the two halves are still not completely whole; Eiji begins to wonder about his place in the Izumi family's life as Shingo tries to help him out in Ankh's place; Gotou helps Eiji on his mission to rescue Ankh, but Eiji is stopped by Dr. Maki.

Dr. Maki explains to Eiji about the process of becoming a Greeed and the dulling of the human senses, leading Eiji to discover that it is already happening to him; a Yummy is trapping people in ice and calling out for OOO's help, but HIna refuses to let him go; Eiji does battle with Ankh, destroying.his core medals.

After Ankh's cores were destroyed, he becomes in need of a body and yet again takes the detective's, also realizing that he's different now and creates a Yummy; Hina comes to the conclusion that she's been too selfish and reliant in regards to other people, making the decision to change and stand by Eiji no matter what; Ankh revives Uva and makes a deal with Dr. Maki to become his container of medals.

Kazari and Ankh butt heads over who is the leader of the Greeed; Hina and Gotou try to find Eiji's desire so that the purple medals will stop making him go berserk; Hina stops Ankh from taking medals from Eiji, but Kazari swoops in and gets the last of his nine medals; Eiji destroys one of Kazari's core medals, allowing Dr. Maki to steal the remaining medals from a weakened Kazari.

With Birth in need of repair, Erika retrieves the Prototype Birth driver in order to make do; because they are at a major disadvantage, Eiji and Gotou decide to go on the offense and attack the Greeed first; the other Greeed confront Dr. Maki and Ankh, with Mezool fully reviving and leaving Gamel, who also has the remainder of his medals.

Gamel rampages throughout the city trying to revive Mezool with one of her core medals; Eiji washes up on the beach with the purple medals acting up, and before he can find his driver, Ankh shows up to stop him from turning into a Greeed; Gotou has his Birth driver back, but he's in trouble and Erika gives the prototype to a familiar face.

Dr. Maki makes Eiji go berserk and fight Ankh when he won't give up the purple medals, but Ankh can't force himself to purposefully hurt Eiji; Ankh believes that one of his medals was broken by Dr. Maki and lets Hina know that her brother will be returned soon; Eiji discovers his true desire; Uva is fully revived.

Eiji receives a present from Kougami; Dr. Maki decides to make Uva the container for the core medals; Ankh returns to Eiji's side as they prepare for the final battle.

Takeshi tricks his new lawyer into showing him his belongings.

Ren learns that Hideyuki and Satoru are targeting Yui and confronts both of them.

Reiko's curiosity about Shinji's behaviour becomes even more stronger as Reiko learns that Shinji knows about Shiro Kanzaki.

After destroying two monsters, Satoru attacks Shinji from behind.

Yui is targeted by a monster that was at the Lab at Seimeiin University.

Yui discovers that the Mirror and Contract Monsters all came from drawings she and Shiro made during their childhood.