The BEST episodes of Kamen Rider season 21

Every episode of Kamen Rider season 21, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Kamen Rider season 21!

A motorcycle-riding hero of justice rises up to fight an evil force, stopping their evil deeds while using their own power against them.

Last Updated: 6/27/2025Network: TV AsahiStatus: Continuing
Desire, Ice Cream, and a Present
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7.00
2 votes

#1 - Desire, Ice Cream, and a Present

Season 21 - Episode 2 - Aired 9/12/2010

Ankh explains the Greed and the purpose of the Medals to Eiji, even as Eiji desires to merely use his new power to fight for good instead of for Ankh’s selfish needs.

Directors: Ryuta Tasaki
Medal, Underwear, and a Mysterious Arm
star
7.00
27 votes

#2 - Medal, Underwear, and a Mysterious Arm

Season 21 - Episode 1 - Aired 9/5/2010

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.

Directors: Ryuta Tasaki
Fashion, a Contract, and the Ultimate Combo
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6.00
1 votes

#3 - Fashion, a Contract, and the Ultimate Combo

Season 21 - Episode 6 - Aired 10/10/2010

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

Directors: Osamu Kaneda
A Bad Husband, a Trap, and a Jackpot
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6.00
1 votes

#4 - A Bad Husband, a Trap, and a Jackpot

Season 21 - Episode 7 - Aired 10/17/2010

Eiji tries to research a husband bullied by his wife over money while Ankh follows a lead for a missing Core Medal.

Directors: Satoshi Morota
Fists, Experimentation, and A Super Bike
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5.00
1 votes

#5 - Fists, Experimentation, and A Super Bike

Season 21 - Episode 10 - Aired 11/14/2010

Eiji must figure the means of stopping the mad bomber and the Yummies spawned by his desire to prevent any more lost lives, while Maki observes the creation of his worker’s monsters.

1000, Kamen Rider, and a Birthday
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0.00
0 votes

#6 - 1000, Kamen Rider, and a Birthday

Season 21 - Episode 28 - Aired 4/3/2011

As the movie continues to have complications, Mook discovers the prices of making a deal with an enemy who takes advantage of his pride of who he is.

Directors: Hidenori Ishida
Medals for Tomorrow, Underwear, and Arms to Reach Out With
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0.00
0 votes

#7 - Medals for Tomorrow, Underwear, and Arms to Reach Out With

Season 21 - Episode 48 - Aired 8/28/2011

Having finally taken the burden to becoming the true OOO, Eiji fights to prevent Doctor Maki from realizing his “perfect end” while working to reach his ultimate desire of being there for others and having others be there for him.

Directors: Ryuta Tasaki
A Sister, a Doctor, and the Truth About Ankh
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0.00
0 votes

#8 - A Sister, a Doctor, and the Truth About Ankh

Season 21 - Episode 29 - Aired 4/10/2011

Eiji investigates the truth regarding who Ankh is, while Kazari decides to create a Yummy from Maki’s desire to see what he’s really made of.

Directors: Ryuta Tasaki
The King, a Panda, and Burning Memories
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0.00
0 votes

#9 - The King, a Panda, and Burning Memories

Season 21 - Episode 30 - Aired 4/17/2011

Eiji and Date force Ankh to reveal the truth about OOO and his incomplete revival, while Maki reveals to Chiyoko the connection with his older sister.

Directors: Ryuta Tasaki
Returning a Favor, a Plot, and Purple Medals
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0.00
0 votes

#10 - Returning a Favor, a Plot, and Purple Medals

Season 21 - Episode 31 - Aired 4/24/2011

Hina’s friend asks Eiji to help discover who has been helping paying her family money anonymously, while Maki reveals a shocking discovery he took from Kougami.

Directors: Satoshi Morota
A New Greed, the Void, and the Unstoppable Combo
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0.00
0 votes

#11 - A New Greed, the Void, and the Unstoppable Combo

Season 21 - Episode 32 - Aired 5/1/2011

The truth behind Eiji’s philosophy on life is revealed as he becomes the container of the mysterious Purple Medals and faces an assault of new dinosaur-based Yummies.

Directors: Satoshi Morota
Friendship, Rampage, and the Belt Left Behind
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0.00
0 votes

#12 - Friendship, Rampage, and the Belt Left Behind

Season 21 - Episode 33 - Aired 5/8/2011

Eiji is summoned to a park owned by a former school friend who wants to be a greater help to his dreams. When Hina goes missing and Date is captured by a Yummy, Goutou struggles with his readiness to become Birth.

Directors: Hidenori Ishida
Best Friends, Manipulation, and Relationships
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0.00
0 votes

#13 - Best Friends, Manipulation, and Relationships

Season 21 - Episode 34 - Aired 5/15/2011

Eiji confronts Kitamura about his desire to be the only one to be there for him, even as his Yummy continues to abduct Eiji’s allies. As Ankh is about to be merged with his original body, Eiji is forced to use the PuToTyra Combo to save him…

Directors: Hidenori Ishida
Dreams, a Brother, and Birth’s Secret
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0.00
0 votes

#14 - Dreams, a Brother, and Birth’s Secret

Season 21 - Episode 35 - Aired 5/22/2011

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 Mezool and Gamel’s Core Medals.

Directors: Ryuta Tasaki
A Broken Dream, a Body, and the Return of the Greed
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0.00
0 votes

#15 - A Broken Dream, a Body, and the Return of the Greed

Season 21 - Episode 36 - Aired 5/29/2011

Ankh tries to figure his position with Shingo’s sudden reawakening and the difficulties with the return of Mezool and Gamel while Eiji tries to deal with the dream-shattering Yummy.

Directors: Ryuta Tasaki
Sleep, a Hundred Million, and Birth’s Transfer
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0.00
0 votes

#16 - Sleep, a Hundred Million, and Birth’s Transfer

Season 21 - Episode 37 - Aired 6/5/2011

Gamel and Mezool work together to create a Yummy that make people tired but sleepless while Gotou confronts Date about the bullet in him and its effects as Birth.

Directors: Satoshi Morota
Circumstances, a Parting, and A Tearful Birth
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0.00
0 votes

#17 - Circumstances, a Parting, and A Tearful Birth

Season 21 - Episode 38 - Aired 6/12/2011

Eiji tries to deal with Date as he joins with Maki and the Greed while Gotou tries to figure some way of winning Birth back to their side.

Directors: Satoshi Morota
A Nightmare, a Security Camera, and Ankh’s Counterattack
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0.00
0 votes

#18 - A Nightmare, a Security Camera, and Ankh’s Counterattack

Season 21 - Episode 39 - Aired 6/26/2011

Ankh worries about his future and the assault of his other self while Chiyoko declares war on a security-obsessed household possessed by a Yummy.

Directors: Hidenori Ishida
Control, a Birthday Party, and a Vanishing Ankh
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0.00
0 votes

#19 - Control, a Birthday Party, and a Vanishing Ankh

Season 21 - Episode 40 - Aired 7/3/2011

As Yumemi becomes a police-state controlled by the Shimoda family and their Yummy, Eiji tries to prove to Ankh on whether or not he is still needed around.

Directors: Hidenori Ishida
Siblings, a Rescue, and Eiji’s Departure
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0.00
0 votes

#20 - Siblings, a Rescue, and Eiji’s Departure

Season 21 - Episode 41 - Aired 7/10/2011

After Ankh is taken back by his body, Eiji becomes resolved to bring him back even with no longer wanting Hina and Shingo involved in this battle.

Directors: Kenzo Maihara
Ice, Becoming a Greed, and the Broken Wings
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0.00
0 votes

#21 - Ice, Becoming a Greed, and the Broken Wings

Season 21 - Episode 42 - Aired 7/17/2011

Doctor Maki approaches Eiji about the truth of the Greed, themselves and the Purple Medals within them while working with Ankh to regain his final desire.

Directors: Kenzo Maihara
A Vulture, a Confrontation, and Ankh’s Return
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0.00
0 votes

#22 - A Vulture, a Confrontation, and Ankh’s Return

Season 21 - Episode 43 - Aired 7/24/2011

Although finally restoring himself, Ankh retakes Shingo’s body and decides to start collecting Medals for himself even as Eiji tries to stop him.

An Assembly, a Complete Revival, and Your Desire
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0.00
0 votes

#23 - An Assembly, a Complete Revival, and Your Desire

Season 21 - Episode 44 - Aired 7/31/2011

Kougami reveals the importance of Eiji as the container and the danger of the Purple Medals, while Ankh unites the Greed in an effort to stop him and retake their Core Medals.

A Surprise Attack, Proto-Birth, and A Desire For Love
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0.00
0 votes

#24 - A Surprise Attack, Proto-Birth, and A Desire For Love

Season 21 - Episode 45 - Aired 8/7/2011

Eiji and Gotou invade Maki’s mansion in hopes of reclaiming the Medals, while Mezool continues to ponder the truth of emotions to an increasingly disgruntled Ankh.

Directors: Satoshi Morota
Greed Eiji, Double Births, and Ankh’s Desire
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0.00
0 votes

#25 - Greed Eiji, Double Births, and Ankh’s Desire

Season 21 - Episode 46 - Aired 8/14/2011

Gamel rampages thinking that he can still revive the dead Mezool, while Ankh realizes his true desire even with Eiji now standing in his way.

Directors: Satoshi Morota