The BEST episodes written by Keiichi Hasegawa

#1 - Farewell to N/The Memory Kids

Kamen Rider - Season 20 - Episode 17

When Shotaro is hired to find the daughter of his barber, he discovers horrible new developments regarding the Gaia Memories.

#2 - Farewell to N/Friends in the Wind

Kamen Rider - Season 20 - Episode 18

As Shotaro and Philip discover the truth regarding the teens using the Bird Memory, Kirihiko discovers the truth behind Museum and his usage by the Sonozaki family.

#3 - V For Vendetta/Raging Beast

Kamen Rider - Season 20 - Episode 12

When the search for the Virus Dopant takes an unexpected turn, Shotaro and Philip must work to find the true controller and the reason behind their grudge.

#4 - Winter Night Phantom

The Big O - Season 1 - Episode 10

A mysterious bomber is murdering retired Paradigm officials.

#5 - What is the Secret That They Hide?

Kamen Rider - Season 25 - Episode 8

The reporter continues to pursue Shinnosuke, unaware that he is quickly becoming part of the story himself.

#6 - Q on the Radio/Live Broadcast at the Riot

Kamen Rider - Season 20 - Episode 14

As Shotaro continues to try and lure out Wakana’s violent stalker, Philip continues to get unusually close to the radio-broadcasting Sonozaki.

#7 - Q on the Radio/Princess Under Fire

Kamen Rider - Season 20 - Episode 13

Shotaro and Philip investigate a Dopant stalker who's causing chaos in order to impress Wakana.

#8 - But I Want to Help People

Kamen Rider - Season 31 - Episode 22

Mei gets a call from the girl that Touma saved and the two discover that her sister is missing.

#9 - Missing Cat

The Big O - Season 1 - Episode 8

An abandoned kitten sparks a confrontation with a mad biologist.

#10 - Bring Back My Ghost

The Big O - Season 1 - Episode 5

Roger is hired by a wealthy and blind old woman to help find her son, Bonny, for her birthday the next day.

#11 - R-D

The Big O - Season 1 - Episode 13

An assassin stalks the streets of the Paradigm City and the only clue is the killer's calling card, which reads, "Cast in the name of God, ye not guilty."

#12 - How Was the Key Moment Photographed?

Kamen Rider - Season 25 - Episode 7

Shinnosuke's investigations are hampered by a reporter following him everywhere he goes.

#13 - Metal Warrior! Silver Valvarad

Kamen Rider - Season 34 - Episode 49

#14 - What Was I Entrusted With?

SSSS.Dynazenon - Season 1 - Episode 12

To challenge the final battle, Homura and his friends reunited with Dynazenon.

#15 - What's Your Reason for Fighting?

SSSS.Dynazenon - Season 1 - Episode 2

Mugwort and Yumeme visit the city where they fought the monsters and witness the tragedy. Homura and his friends start training to fly Dynazenon, but the monster appears again without waiting for the time.

#16 - Shining in Full Color Towards Greatness

Kamen Rider - Season 31 - Episode 21

Touma learns of people gone missing after seeing fantastical things; Yuuri want a normal form to fight with; Daishinji challenges Touma.

#17 - What Is a Kaiju User?

SSSS.Dynazenon - Season 1 - Episode 1

When high-school freshman Yomogi Asanaka stumbles across kaiju user Gauma, he and a few unsuspecting onlookers get caught up in a fight against kaiju.

#18 - Which Memories Do You Regret?

SSSS.Dynazenon - Season 1 - Episode 10

An unprecedented force was hitting the city. Homura takes the Dyna Soldier and confronts its roots.

#19 - What Is a Traitor?

SSSS.Dynazenon - Season 1 - Episode 3

Mugwort and Yumeme visit the city where they fought the monsters and witness the tragedy. Homura and his friends start training to fly Dynazenon, but the monster appears again without waiting for the time.

#20 - Gotcha! X Hopper!

Kamen Rider - Season 34 - Episode 27

#21 - Smiling Angel, Unfunny Joke

Kamen Rider - Season 34 - Episode 20

The black steel spanner was impatient. Ichinose was only an amateur. Kudo was supposed to be protected. Both of them obtained powers stronger than themselves as ``Kamen Riders.'' More power... More strength! ! Just as Spanner looks like that, her parents, who were supposed to be on a long journey, suddenly appear. Spanner smiles as he reunites with his parents. Maybe there is a place I should protect, a place I should return to. However, that was a pale dream given to me by an angel. The most vile and cruel trap for a spanner. When the messenger of darkness, the angel of darkness, laughs, the wrench of a spanner echoes in vain.

#22 - A Rival Appears?! Gotcha and Juliet

Kamen Rider - Season 34 - Episode 30

#23 - At the Promised Place

Kamen Rider - Season 31 - Episode 12

Rintarou is dealing with injuries from his prior battle and Ryou is worried that Kento is going to do something stupid.

#24 - A Beam of Light to Save the World

Kamen Rider - Season 31 - Episode 16

The gang is preparing for a New Year's celebration when Touma gets an offer from the Southern Base.

#25 - V For Vendetta/Infected Vehicle

Kamen Rider - Season 20 - Episode 11

Shotaro decides to help an underworld gang after a member is killed by a Dopant-possessed car.

#26 - Lightning Causes a Commotion, the Clouds Darken

Kamen Rider - Season 31 - Episode 11

Kento is determined to find Calibur and find out what happened to his father.

#27 - Burn! Fight! Wrestler G!

Kamen Rider - Season 34 - Episode 5

A hunt for more chemys leads the academy to a professional wrestling dojo. When they come under attack, Houtarou must find a new combo in order to defeat the strong Malgam.

#28 - What Are These Overlapping Emotions?

SSSS.Dynazenon - Season 1 - Episode 9

Homura and Yumeme listen to the story of Kano's death. A monster appears without being able to swallow the story. On the other hand, Chise was isolated with a secret.

#29 - Teaming Up With Swans

Kamen Rider - Season 22 - Episode 23

Gentarou and friends hear about a new hero from their classmate Norio Eguchi, who identifies the hero as Cygnus and also happens to be a member of the Ugly Duckling Society, a fan club dedicated to Cygnus. However, this new hero is not as good as he seems…

#30 - Phenomenal! The Ganma World!

Kamen Rider - Season 26 - Episode 21

Takeru discovers that Makoto's real body still exists in the Gamma World, and once that disappears, Makoto will as well. To save Makoto, Takeru enlists the help of Akari who tries to use the Art Supplies Gamma to figure out a way to save Makoto, but Makoto has already gone off on his own to settle matters his own way.

#31 - Strange! The Power of the Ganmaizer!

Kamen Rider - Season 26 - Episode 31

Alain has taken a big step by deciding to live as a human with Fumi’s memory in his heart. He asks Takeru and Makoto for help. After many difficulties, their objective has unified and they can now fully join forces. Alain proposes destroying the gates that connect this world to the Gamma World. Still at doubt about the recent insight into people’s memories he's been having, Takeru agrees to assist Alain. In the Gamma World, Edith questions Adel: “What do you wish for?” Adel laughs this question off and uses his newfound power. As a consequence, many adults have become children around the city, Shibuya’s mother being one of them. Daitenkū-ji is filled with children and a familiar face makes an appearance.

#32 - Miracle! Unlimited Feelings!

Kamen Rider - Season 26 - Episode 33

Gammiser Gravity began to attack along Gammaizer Fire. This attack made some significant damage. Alain trying to protect the earth with its latent strength. These forces can kill Alain as well, because it was trying to protect Takeru Alain and destroy Gammiser Fire. It's unexpected happens Eyecon Takeru broken by attacks from Gammaizer Gravity and Takeru disappeared. Takeru disappeared among the friends of his sad. Some ways to do to restore Takeru. Alain and Makoto were attacking several gates. To fight Gammiser, Akari opened the gates of another world to throw Gammiser there. But this method fails. Gammiser escaped from another world and make all seriously injured.

#33 - I'm More Than Ready For What's in Front of Me

Kamen Rider - Season 31 - Episode 15

Calibur and Saber race for the Table of Contents as the rest of the swordsmen continue their battle.

#34 - What Wish Can't Come True?

SSSS.Dynazenon - Season 1 - Episode 11

Everyday life began to return to Homura, and the monster Yusei thoughts had lost their place in the world where they lost their monsters.

#35 - Finding Bushido

Kamen Rider - Season 34 - Episode 3

Houtarou continues his quest to befriend all the Chemies as he meets a Chemy known as Apparebushido. A new alchemist appears and demands Houtarou hands over his driver.

#36 - Conspiracy! Adel's Trap!

Kamen Rider - Season 26 - Episode 22

Takeru finds himself fighting Alain and two Gamma Superiors while Makoto meets Alia and Emperor Adonis who is informed of his children's antics in the human world for the first time.

#37 - What's Lover-Like Mean?

SSSS.Dynazenon - Season 1 - Episode 5

Homura and his friends decided to go to a large outdoor pool at Chise's suggestion, but there was an unexpected companion there. Gauma orders Homura and Yumeme to pretend to be lovers for a certain operation.

#38 - Gorgeous! Queen of Illusion!

Kamen Rider - Season 26 - Episode 17

Takeru investigates a Gamma that seems to be only attacking young women.

#39 - Thwarting Evil. The Jet Black Winds

Kamen Rider - Season 34 - Episode 26

#40 - What's Our Reason for Coming Together?

SSSS.Dynazenon - Season 1 - Episode 7

Dynazenon is defeated by a monster. The mysterious giant that appears there. Despite being confused, Onija and Mujina begin to fight the giant. There was no way to fix the Dynazenon that had injured the Gaumas.

#41 - What Is This Pain?

SSSS.Dynazenon - Season 1 - Episode 6

Yumeme hears rumors about Kano's death from the OB of the chorus club to which Kano belonged during his lifetime. Meanwhile, the calendar awakens from a hangover and finds that he has lost the Dynastriker. Gauma's blamed calendar reminds me of meeting a person last night Screenplay:

#42 - Antrooper Labyrinth

Kamen Rider - Season 34 - Episode 4

Houtarou tries to uncover why Rinne is always acting so cold towards him. When the two of them are sent to another world, they must work together to escape.

#43 - What Is This Wavering Emotion?

SSSS.Dynazenon - Season 1 - Episode 8

A city where monsters spread confusion. Gauma gathers the Homuras and attempts the first monster capture operation.

#44 - What Is This Thumping Heart?

SSSS.Dynazenon - Season 1 - Episode 4

Homura catches a cold and falls asleep. Gauma invites Yumebu to visit him. Homura is confused by the sudden visit of Yumebu, but the relationship between the two gradually breaks down. When I heard that a monster had appeared, I left the cold mugwort and headed for the battle.

#45 - Recollection! Hidden Heart!

Kamen Rider - Season 26 - Episode 32

Igarashi has called Takeru into the memories of past times. He finds out a truth that has been hidden for 10 years. The wishes and feelings of his father, Igarashi, Saionji and the hermit resonate inside him. What could be beyond these strange changes Takeru is experiencing?! Meanwhile, Shibuya is looking for his mother, who has escaped yet again. More and more adults are being turned into children. Society itself may spiral out of control. Everyone is running against the clock to solve the mysterious phenomenon the new Gammiser has set in motion.

#46 - Vehement! Idol Declaration!

Kamen Rider - Season 26 - Episode 36

Igor changes his strategy after Mugen Damashii defeats another Gammiser. Takeru finally knows the true meaning of fun thanks to the Brothers Grimm. Also, a new Gammiser that controls wind appears before Takeru. Deep Specter and Necrom are being attacked on all sides. Alain cannot stand the idea that he might not be able to protect the treasures of this world. Meanwhile, Bills attempts to put his own plan into action by attempting in on an idol, to which Akari decides to replace. Apparently, this plan is connected to his goals from his own childhood. In order to re-inspire belief, Sanzo sends Alain to a training field in another world. But Akari and Onari also seem to be targeted by Igor's plans as well...

#47 - Changing Sadness into a Smile

Kamen Rider - Season 31 - Episode 27

Touma trains with Primitive Dragon in order to save the boy in his visions.

#48 - Write the Past, Draw the Future

Kamen Rider - Season 31 - Episode 28

Mei is tasked to ask Touma about writing a sequel to one of his stories; Ren leaves the Sword of Logos to join with Kento.

#49 - The Time the Swordsman Made His Move

Kamen Rider - Season 31 - Episode 29

Rintarou tells Mei that he's going to fight with Touma, but still has unfinished business at the Southern Base.

#50 - Open Your Eyes, the Immortal Swordsman

Kamen Rider - Season 31 - Episode 34

In light of Luna appearing before Touma, Master Logos unleashes an old friend of Yuuri to ensure her capture.