Kamen Rider: W
A detective, proclaiming himself to be hard-boiled, and a mysterious boy who is connected to “Memory of the Earth” together transform into the 2-in-1 Kamen Rider, W. They protect their city Fuuto from crimes caused by superpower-granting devices known as “Gaia Memories”.
Season 20 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Kamen Rider Season 19.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Season overview
A detective, proclaiming himself to be hard-boiled, and a mysterious boy who is connected to “Memory of the Earth” together transform into the 2-in-1 Kamen Rider, W. They protect their city Fuuto from crimes caused by superpower-granting devices known as “Gaia Memories”.
Episode Guide
Season 20 Progress Shield
W’s Search/Two Detectives in One
Sep 6, 2009 · 25 min
Akiko Narumi arrives in Futo to be the landlord of the "hard-boiled" detective Shotaro Hidari, who finds himself involved in a case involving a former female love and a Dopant on t
W’s Search/The One Who Makes the City Cry
Sep 13, 2009 · 25 min
After his missing target is killed by another Dopant, Shotaro works with his partner Philip to figure out the truth regarding the killer while being dogged by Akiko and her strange
Don’t Touch the M/How To Get Into Heaven
Sep 20, 2009 · 25 min
Shotaro is hired to save a girl from a legendary casino who offers ultimate riches for victory… and ultimate penalty for loss.
Don’t Touch the M/Betting on Joker
Sep 27, 2009 · 25 min
Tracking down the legendary casino, Shotaro must defeat it’s Dopant owner as Philip deals with a crisis hindering his mental abilities.
Girl… A/Papa’s a Kamen Rider
Oct 4, 2009 · 25 min
Tracking down the legendary casino, Shotaro must defeat it’s Dopant owner as Philip deals with a crisis hindering his mental abilities.
Girl… A/The Price of Lying
Oct 11, 2009 · 25 min
Shotaro debates the cost of keeping up Asuka’s belief Double is her father as Museum steps up their motive in protecting their Gaia Memory factory.
Looking For C/Phillip Can’t Stand It
Oct 18, 2009 · 25 min
Philip chases after a street dancer key to a locked memory, while Shotaro pursues a cockroach avenger taking out hired victims.
Looking For C/Dancing Hero
Oct 25, 2009 · 25 min
As several of Double’s Gaia Memories are taken by the Cockroach Dopant, Shotaro tries to find his true identity while Philip tries to reunite the dance partners for their legendary
Trembling Before S/I Saw the Maid Detective!
Nov 8, 2009 · 25 min
Akiko gets a job as a maid for the Sonozaki family in order to investigate a Dopant abducting pastry chefs.
Trembling Before S/The Ace Detective’s Daughter
Nov 15, 2009 · 25 min
Shotaro gets embroiled deeper in the Sonozakis connection to the Dopants as Akiko attempts to find the criminal behind the patisserie abductions.
V For Vendetta/Infected Vehicle
Nov 22, 2009 · 25 min
Shotaro decides to help an underworld gang after a member is killed by a Dopant-possessed car.
V For Vendetta/Raging Beast
Nov 29, 2009 · 25 min
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.
Q on the Radio/Princess Under Fire
Dec 6, 2009 · 25 min
Shotaro and Philip investigate a Dopant stalker causing chaos in order to impress Wakana.
Q on the Radio/Live Broadcast at the Riot
Dec 13, 2009 · 25 min
As Shotaro continues to try and lure out Wakana’s violent stalker, Philip continues to get unusually close to the radio-broadcasting Sonozaki.
Flash of the F/Robbery Rider
Dec 20, 2009 · 25 min
A suspicious woman hires Shotaro to find a Dopant who is running amuck while taking the name “Kamen Rider” as his own.
Flash of the F/Take Back Your Partner
Dec 27, 2009 · 25 min
Discovering a horrible secret from Saeko and seeing his partners captured by Arms Dopant, Philip must figure a way to save them even if using the unstable Fang Memory.
Farewell to N/The Memory Kids
Jan 10, 2010 · 25 min
When Shotaro is hired to find the daughter of his barber, he discovers horrible new developments regarding the Gaia Memories.
Farewell to N/Friends in the Wind
Jan 17, 2010 · 25 min
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.
I Won’t Stop/His Name is Accel
Jan 24, 2010 · 25 min
The new leader of Fuuto Police’s Dopant investigation division uses Shotaro to track down a Dopant attacking victims with ice.
I Won’t Stop/Kamen Rider Style
Jan 31, 2010 · 25 min
As Ryu’s intensity and Kamen Rider Accel powers threaten to harm innocents, Shotaro and Philip must discover the reason behind his anger while putting a stop to the ice-powered Dop
The Return of T/That Melody Doesn’t Suit A Lady
Feb 7, 2010 · 25 min
Makura involves Shotaro in a case in rooting out a traitor within the Fuuto police leaking out information on the Gaia Memories.
The Return of T/The Undying Man
Feb 14, 2010 · 25 min
Aya tries to gain Shotaro and Ryu’s trust in using her Dopant power to be an asset, hiding her true intentions and desires of her situation.
L on the Lips/Singer-Song Rider
Feb 21, 2010 · 25 min
A request from Queen & Elizabeth leads to an investigation of a terrible street performer mysteriously winning a popular singing competition.
L on the Lips/You’re the Liar
Feb 28, 2010 · 25 min
While trying to figure a means to defeat the tricky Liar Dopant, Shotaro confronts Jimmy about his confidence and trust in his female fan.
P’s Game/The Sticky Fingered Doll
Mar 7, 2010 · 25 min
Akiko is asked by a little girl to find her lost doll, which has been terrorizing targets throughout Fuuto.
P’s Game/Akiko on the Run
Mar 14, 2010 · 25 min
As Horinouchi is taken by the bizarre Dr. Isaka for further usage, Akiko tries to decipher the meaning of the doll and the truth behind Horinouchi’s daughter.
D Was Watching/Invisible Magical Lady
Mar 21, 2010 · 25 min
A ditzy female magician who turns invisible asks Shotaro to find the seller of her Gaia Memory, which ultimately leads Terui to the man who killed his family.
D Was Watching/Life-or-Death Twin Maximum
Mar 28, 2010 · 25 min
Akiko and Philip desperately try to stop Terui from taking immediate revenge on Shinkuro when he becomes key to saving Lily from her deadly Gaia Memory.
Nightmarish H/The Melancholy of Sleeping Beauty
Apr 4, 2010 · 25 min
Shotaro accepted a request from a girl fearing a Dopant who attacks it’s victims in their dreams which it can control.
Nightmarish H/Who is the Prince?
Apr 11, 2010 · 25 min
As Philip is taken by the Xtreme Memory to meet with Shroud, Shotaro continues to try and figure a way to discover the culprit behind Nightmare Dopant’s attacks.
The B Brought By the Wind/To Pursue The Beast
Apr 18, 2010 · 25 min
A mob friend of Soukichi asks Shotaro to help him settle an old score and get back what he returned to Fuuto for.
The B Brought By the Wind/Now, Amidst the Radiance
Apr 25, 2010 · 25 min
While under pressure of being abandoned by Philip as his Double partner for not keeping up, Shotaro tries to decipher the truth behind Bitou’s framing.
Y’s Tragedy/The Woman In Search of Yesterday
May 2, 2010 · 25 min
Shotaro decides to help a peculiar woman find her lost cat while Terui investigates people committing strange actions beyond their control.
Y’s Tragedy/Brother and Sister
May 9, 2010 · 25 min
Shotaro fights to prevent Yukie from joining the Museum for the sake of herself and of the memory of her deceased brother Kirihiko.
Beyond R/A Monstrous Rain Approaches
May 16, 2010 · 25 min
As Shotaro is asked to pursue a young teacher by her students, Terui also goes after her due to a remarkable similarity between her and his deceased sister.
Beyond R/Leave All Behind
May 23, 2010 · 25 min
Terui must master the Trial Memory in order to save Nagi from Shinkuro, who has made his move with Saeko for Ryuube’s downfall.
Visitor X/The Bridge of Promises
May 30, 2010 · 25 min
Shotaro is hired to find a mysterious man’s family, while Philip is confronted by Wakana about her position in the Museum with her sister gone.
Visitor X/In the Name of the Museum
Jun 6, 2010 · 25 min
As Terui tries to gain more information regarding Yamashiro’s knowledge of the Museum, Philip contemplates leaving Fuuto forever with Wakana.
The Likelihood of G/Bad Cinema Paradise
Jun 20, 2010 · 25 min
Shotaro is brought in to help a movie-theater worker who has unwittingly become the star of an epic others are forced to watch.
The Likelihood of G/I Can’t Forgive You
Jun 27, 2010 · 25 min
As Akiko desperately tries to complete Tooru’s movie, the insular director is targeted by Wakana to allow her access to the full potential of her Dopant power.
J’s Labyrinth/A Bizarre Villainess
Jul 4, 2010 · 25 min
Jinno asks Shotaro to help him find a cold-hearted, diamond-obsessed woman who set him up for arrest.
J’s Labyrinth/A Damaged Diamond
Jul 11, 2010 · 25 min
Shotaro fights to save Rui from destroying herself, while Philip tries to figure out how to outsmart Wakana in gaining his library research.
The O Cycle/Elderly Detective
Jul 18, 2010 · 25 min
Shotaro and Terui are asked by a mother to save her daughter, who has been turned old to satisfy a grudge hit as Shroud approaches Phillip and Terui, wanting them to become Kamen R
The O Cycle/Shroud’s Confession
Jul 25, 2010 · 25 min
Terui tries to decipher the truth regarding Shroud and her intentions as she tries to force him and Philip to join together into the ultimate Double to defeat Ryubee. Meanwhile, an
What K Demands/The Devil’s Tail
Aug 1, 2010 · 25 min
A request from a worker at the Fuuto museum forces Shotaro to find an artifact required by Ryuube for his final master plan.
What K Demands/The Last Supper
Aug 8, 2010 · 25 min
With Shotaro gripped by fear and Terui injured, Philip is at the mercy of his father Ryuube, who prepares to use his son and Wakana to bring about Gaia Impact.
The Remaining U/Phillip’s Case
Aug 15, 2010 · 25 min
Philip chooses to ask Shotaro to help him find Wakana, so he could see her one last time, as she is being held by Kazu for Foundation X’s own plans.
The Remaining U/Partners Forever
Aug 22, 2010 · 25 min
Shotaro and Philip must endure the ultimate hardships to stop Kazu from completing his own Gaia Impact in order to complete what could be their final case together.
Goodbye to E/A Bouquet of Justice For This City
Aug 29, 2010 · 25 min
One year after Philip’s departure, Shotaro continues onward alone, but a case involving saving a boy’s sister from Dopant bullies brings forth a change for the better.