Kamen Rider: Season 21 (OOO)
This season started on September 5, 2010. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Medal, Underwear, Mysterious Arm · 25 min | |
| 2 | Greed, Ice Candy, Present · 25 min | |
| 3 | Cat, Evolution, A Glutton · 25 min | |
| 4 | Doubt, Photo E-mail, Saving Hand · 25 min | |
| 5 | Game of Tag, Nest, Celebrity · 25 min | |
| 6 | Western Clothing, A Contract, Ultimate Combo · 25 min | |
| 7 | Useless Husband, A Trap, Big Win · 25 min | |
| 8 | Slacking Off, Lack of Ambition, On a Break · 25 min | |
| 9 | Soaked, The Past, Scorching Hot Combo · 25 min | |
| 10 | Fist, An Experiment, Super Bike · 25 min | |
| 11 | Traveler, Swallowtail Butterfly, Celebrity · 25 min | |
| 12 | Unagi, The World, Heavy-Hitter Combo · 25 min | |
| 13 | Siamese Cat, Stress, Genius Surgeon · 25 min | |
| 14 | Pride, Surgery, Secret · 25 min | |
| 15 | Struggle for the Medals, Transport Truck, Container · 25 min | |
| 16 | Conclusion, Greeed, New Rider · 25 min | |
| 17 | Kendo Girl, Oden, Splitting Yummy · 25 min | |
| 18 | Destruction, A Reason, Unagi Whip · 25 min | |
| 19 | A Red Medal, A Detective, A Betrayal · 25 min | |
| 20 | Decoy, Qualifications, Flaming Combo · 25 min | |
| 21 | Hopper, Parent and Child, Hero · 25 min | |
| 22 | Choco, Conviction, Power of Justice · 25 min | |
| 23 | Beauty, Egg, Dormant Desire · 25 min | |
| 24 | Memory, Love, Sea Combo · 25 min | |
| 25 | Boxer, Left Hand, Bird Yummy · 25 min | |
| 26 | Ankh, Ring, Pile on Everything · 25 min | |
| 27 | 1000, Movie, Combatant · 25 min | |
| 28 | 1000, Kamen Rider, Birthday · 25 min | |
| 29 | Older Sister, Doctor, The Truth About Ankh · 25 min | |
| 30 | King, Panda, Memory of Flame · 25 min | |
| 31 | Repaying a Favor, Scheme, Purple Medals · 25 min | |
| 32 | A New Greeed, Void, Unrivaled Combo · 25 min | |
| 33 | Friendship, Out of Control, Left-Behind Belt · 25 min | |
| 34 | Best Friends, Using, That Relationship · 25 min | |
| 35 | Dreams, Brother, Birth's Secret · 25 min | |
| 36 | Broken Dream, Body, Greeed Revival · 25 min | |
| 37 | Sleep, 100 Million, Birth's Employment Shift · 25 min | |
| 38 | A Situation, A Parting, A Tearful Birth · 25 min | |
| 39 | Nightmare, Surveillance Camera, Ankh Strikes Back · 25 min | |
| 40 | Control, Birthday Party, Ankh Disappears · 25 min | |
| 41 | Siblings, Rescue, Eiji Leaves · 25 min | |
| 42 | Ice, Greeed Form, Broken Wings · 25 min | |
| 43 | Vulture, Antagonism, Ankh Returns · 25 min | |
| 44 | All Members Together, Full Revival, Your Desire · 25 min | |
| 45 | Surprise Attack, Proto Birth, Desire for Love · 25 min | |
| 46 | Eiji Greeed, W Births, Ankh's Desire · 25 min | |
| 47 | Red Days, Fulfilled, Eiji the Container · 25 min | |
| 48 | Tomorrow's Medals, Underwear, A Grasping Hand · 25 min |
