Seasons & episodes
S21 · E11Traveler, Swallowtail Butterfly, Celebrity 2010-11-21 · 25 min
Eiji's traveler friend becomes manipulated by Uva into becoming famous as he steals others attributes; while Gotou doubts Eiji's effectiveness as OOO.
S21 · E12Unagi, The World, Heavy-Hitter Combo 2010-11-28 · 25 min
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.
S21 · E13Siamese Cat, Stress, Genius Surgeon 2010-12-05 · 25 min
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.
S21 · E14Pride, Surgery, Secret 2010-12-12 · 25 min
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.
S21 · E15Struggle for the Medals, Transport Truck, Container 2010-12-19 · 25 min
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.
S21 · E16Conclusion, Greeed, New Rider 2010-12-26 · 25 min
Eiji learns about how the Greeed were born; Gamel searches for Mezool; Kamen Rider Birth joins the fight.
S21 · E17Kendo Girl, Oden, Splitting Yummy 2011-01-09 · 25 min
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.
S21 · E18Destruction, A Reason, Unagi Whip 2011-01-16 · 25 min
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.
S21 · E19A Red Medal, A Detective, A Betrayal 2011-01-23 · 25 min
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.
S21 · E20Decoy, Qualifications, Flaming Combo 2011-01-30 · 25 min
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.
S21 · E21Hopper, Parent and Child, Hero 2011-02-06 · 25 min
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.
S21 · E22Choco, Conviction, Power of Justice 2011-02-13 · 25 min
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.
S21 · E23Beauty, Egg, Dormant Desire 2011-02-20 · 25 min
Kazari is drawn to the vanity of woman whose sister takes all the credit for her work.
S21 · E24Memory, Love, Sea Combo 2011-02-27 · 25 min
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.
S21 · E25Boxer, Left Hand, Bird Yummy 2011-03-06 · 25 min
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.
S21 · E26Ankh, Ring, Pile on Everything 2011-03-20 · 25 min
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.
S21 · E271000, Movie, Combatant 2011-03-27 · 25 min
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.
S21 · E281000, Kamen Rider, Birthday 2011-04-03 · 25 min
Even though he's injured, Date still wants to finish directing the movie; Sendou starts sabotaging the movie with his new friends.
S21 · E29Older Sister, Doctor, The Truth About Ankh 2011-04-10 · 25 min
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.
S21 · E30King, Panda, Memory of Flame 2011-04-17 · 25 min
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.
S21 · E31Repaying a Favor, Scheme, Purple Medals 2011-04-24 · 25 min
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.
S21 · E32A New Greeed, Void, Unrivaled Combo 2011-05-01 · 25 min
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.
S21 · E33Friendship, Out of Control, Left-Behind Belt 2011-05-08 · 25 min
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.
S21 · E34Best Friends, Using, That Relationship 2011-05-15 · 25 min
Ankh tells Eiji about what his friend has been doing; a Yummy kidnaps Ankh; Eiji forces himself to use the purple medals.