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The Best Episodes of Kamen Rider Season 21

Every episode of Kamen Rider Season 21 ranked from best to worst. Discover the Best Episodes of Kamen Rider Season 21!

Binge this in 10h 25m•Peaking at 10.0/10

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After

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Episode Rankings

  1. #1 Fan Favorite
    Kamen Rider Season 21 Episode 1 - Medal, Underwear, Mysterious Arm
    0.0/10(0 votes)

    #1 - Medal, Underwear, Mysterious Arm

    S21:E1

    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.

    Director:Ryuta Tasaki
    Writer:Yasuko Kobayashi

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  2. Kamen Rider Season 21 Episode 2 - Greed, Ice Candy, Present
    10.0/10(1 votes)

    #2 - Greed, Ice Candy, Present

    S21:E2

    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.

    Director:Ryuta Tasaki
    Writer:Yasuko Kobayashi

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  3. Kamen Rider Season 21 Episode 3 - Cat, Evolution, A Glutton
    0.0/10(0 votes)

    #3 - Cat, Evolution, A Glutton

    S21:E3

    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.

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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  4. Kamen Rider Season 21 Episode 4 - Doubt, Photo E-mail, Saving Hand
    0.0/10(0 votes)

    #4 - Doubt, Photo E-mail, Saving Hand

    S21:E4

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

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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  5. Kamen Rider Season 21 Episode 5 - Game of Tag, Nest, Celebrity
    0.0/10(0 votes)

    #5 - Game of Tag, Nest, Celebrity

    S21:E5

    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.

    Director:Osamu Kaneda
    Writer:Yasuko Kobayashi

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  6. Kamen Rider Season 21 Episode 6 - Western Clothing, A Contract, Ultimate Combo
    0.0/10(0 votes)

    #6 - Western Clothing, A Contract, Ultimate Combo

    S21:E6

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

    Director:Osamu Kaneda
    Writer:Yasuko Kobayashi

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  7. Kamen Rider Season 21 Episode 7 - Useless Husband, A Trap, Big Win
    0.0/10(0 votes)

    #7 - Useless Husband, A Trap, Big Win

    S21:E7

    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.

    Director:Satoshi Morota
    Writer:Yasuko Kobayashi

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  8. Kamen Rider Season 21 Episode 8 - Slacking Off, Lack of Ambition, On a Break
    0.0/10(0 votes)

    #8 - Slacking Off, Lack of Ambition, On a Break

    S21:E8

    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.

    Director:Satoshi Morota
    Writer:Yasuko Kobayashi

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  9. Kamen Rider Season 21 Episode 9 - Soaked, The Past, Scorching Hot Combo
    0.0/10(0 votes)

    #9 - Soaked, The Past, Scorching Hot Combo

    S21:E9

    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.

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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  10. Kamen Rider Season 21 Episode 10 - Fist, An Experiment, Super Bike
    0.0/10(0 votes)

    #10 - Fist, An Experiment, Super Bike

    S21:E10

    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.

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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  11. Kamen Rider Season 21 Episode 11 - Traveler, Swallowtail Butterfly, Celebrity
    0.0/10(0 votes)

    #11 - Traveler, Swallowtail Butterfly, Celebrity

    S21:E11

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

    Director:Osamu Kaneda
    Writer:Shouji Yonemura

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  12. Kamen Rider Season 21 Episode 12 - Unagi, The World, Heavy-Hitter Combo
    0.0/10(0 votes)

    #12 - Unagi, The World, Heavy-Hitter Combo

    S21:E12

    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.

    Director:Osamu Kaneda
    Writer:Shouji Yonemura

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  13. Kamen Rider Season 21 Episode 13 - Siamese Cat, Stress, Genius Surgeon
    0.0/10(0 votes)

    #13 - Siamese Cat, Stress, Genius Surgeon

    S21:E13

    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.

    Director:Hidenori Ishida
    Writer:Yasuko Kobayashi

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  14. Kamen Rider Season 21 Episode 14 - Pride, Surgery, Secret
    0.0/10(0 votes)

    #14 - Pride, Surgery, Secret

    S21:E14

    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.

    Director:Hidenori Ishida
    Writer:Yasuko Kobayashi

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  15. Kamen Rider Season 21 Episode 15 - Struggle for the Medals, Transport Truck, Container
    0.0/10(0 votes)

    #15 - Struggle for the Medals, Transport Truck, Container

    S21:E15

    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.

    Director:Satoshi Morota
    Writer:Yasuko Kobayashi

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  16. Kamen Rider Season 21 Episode 16 - Conclusion, Greeed, New Rider
    0.0/10(0 votes)

    #16 - Conclusion, Greeed, New Rider

    S21:E16

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

    Director:Satoshi Morota
    Writer:Yasuko Kobayashi

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  17. Kamen Rider Season 21 Episode 17 - Kendo Girl, Oden, Splitting Yummy
    0.0/10(0 votes)

    #17 - Kendo Girl, Oden, Splitting Yummy

    S21:E17

    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.

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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  18. Kamen Rider Season 21 Episode 18 - Destruction, A Reason, Unagi Whip
    0.0/10(0 votes)

    #18 - Destruction, A Reason, Unagi Whip

    S21:E18

    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.

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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  19. Kamen Rider Season 21 Episode 19 - A Red Medal, A Detective, A Betrayal
    0.0/10(0 votes)

    #19 - A Red Medal, A Detective, A Betrayal

    S21:E19

    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.

    Director:Hidenori Ishida
    Writer:Yasuko Kobayashi

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  20. Kamen Rider Season 21 Episode 20 - Decoy, Qualifications, Flaming Combo
    0.0/10(0 votes)

    #20 - Decoy, Qualifications, Flaming Combo

    S21:E20

    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.

    Director:Hidenori Ishida
    Writer:Yasuko Kobayashi

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  21. Kamen Rider Season 21 Episode 21 - Hopper, Parent and Child, Hero
    0.0/10(0 votes)

    #21 - Hopper, Parent and Child, Hero

    S21:E21

    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.

    Director:Ryuta Tasaki
    Writer:Nobuhiro Mouri

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  22. Kamen Rider Season 21 Episode 22 - Choco, Conviction, Power of Justice
    0.0/10(0 votes)

    #22 - Choco, Conviction, Power of Justice

    S21:E22

    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.

    Director:Ryuta Tasaki
    Writer:Nobuhiro Mouri

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  23. Kamen Rider Season 21 Episode 23 - Beauty, Egg, Dormant Desire
    0.0/10(0 votes)

    #23 - Beauty, Egg, Dormant Desire

    S21:E23

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

    Director:Satoshi Morota
    Writer:Yasuko Kobayashi

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  24. Kamen Rider Season 21 Episode 24 - Memory, Love, Sea Combo
    0.0/10(0 votes)

    #24 - Memory, Love, Sea Combo

    S21:E24

    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.

    Director:Satoshi Morota
    Writer:Yasuko Kobayashi

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  25. Kamen Rider Season 21 Episode 25 - Boxer, Left Hand, Bird Yummy
    0.0/10(0 votes)

    #25 - Boxer, Left Hand, Bird Yummy

    S21:E25

    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.

    Director:Takayuki Shibasaki
    Writer:Yasuko Kobayashi

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Season 21 Ratings Summary

"Medal, Underwear, Mysterious Arm" is the best rated episode of "Kamen Rider" season 21. It scored /10 based on 0 votes. Directed by Ryuta Tasaki and written by Yasuko Kobayashi, it aired on 9/5/2010. This episode is rated 10.0 points higher than the second-best, "Greed, Ice Candy, Present".