1x1 - The W Search/Two Detectives in One

September 6, 2009

Akiko Narumi arrives in Fuuto 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 the attack.

1x2 - The W Search/Those Who Make the City Cry

September 13, 2009

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 sightings.

1x3 - Don't Touch the M/How to Get to Heaven

September 20, 2009

Shotaro is hired to save a girl from a legendary casino who offers ultimate riches for victory... and ultimate penalty for loss.

1x4 - Don't Touch the M/Play with a Joker

September 27, 2009

Tracking down the legendary casino, Shotaro must defeat its Dopant owner as Philip deals with a crisis hindering his mental abilities.

1x5 - The Girl... A/Papa Is a Kamen Rider

October 4, 2009

Shotaro is hired to protect from an assassin a councilwoman and her daughter, who believes Double is her father.

1x6 - The Girl... A/The Price of Lying

October 11, 2009

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.

1x7 - Find the C/Philip Can't Stand It

October 18, 2009

Philip chases after a street dancer key to a locked memory, while Shotaro pursues a cockroach avenger taking out hired victims.

1x8 - Find the C/Dancing Hero

October 25, 2009

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 move.

1x9 - The S Terror/The Maid Detective Witnessed It!

November 1, 2009

Akiko gets a job as a maid of the Sonozaki family in order to investigate a Dopant abducting pastry chefs.

1x10 - The S Terror/The Great Detective's Daughter

November 8, 2009

Shotaro gets embroiled deeper in the Sonozakis connection to the Dopants as Akiko attempts to solve the criminal behind the patisserie abductions.

1x11 - The Revenge V/Infected Car

November 15, 2009

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

1x12 - The Revenge V/Grudge Beast

November 22, 2009

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.

1x13 - The Q on the Radio/Targeted Princess

November 29, 2009

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

1x14 - The Q on the Radio/Live Catastrophe

December 6, 2009

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

1x15 - The F Afterglow/Burglary Rider

December 13, 2009

A suspicious woman hires Shotaro to find a Dopant who is running amuck while taking the name "Kamen Rider" as his own.

1x16 - The F Afterglow/Reclaim Your Partner

December 20, 2009

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.

1x17 - Farewell N/Memory Kids

December 27, 2009

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

1x18 - Farewell N/The Friend with the Wind

January 3, 2010

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.

1x19 - The I Doesn't Stop/That Guy's Name Is Accel

January 10, 2010

The new leader of Futo Police's Dopant investigation division uses Shotaro to track down a Dopant attacking victims with ice.

1x20 - The I Doesn't Stop/Kamen Rider Style

January 17, 2010

As Ryu's intensity threatens to harm innocents, Shotaro and Philip must discover the reason behind his anger while putting a stop to the ice-powered Dopant.

1x21 - The T Returns/A Melody Not Intended for Women

January 24, 2010

Makura involves Shotaro in a case in rooting out a traitor within the Futo police leaking out information on the Gaia Memories.

1x22 - The T Returns/The Man Who Cannot Die

January 31, 2010

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.

1x23 - L on the Lips/Singer-SongRider

February 7, 2010

A request from Queen & Elizabeth leads to an investigation of a terrible street performer mysteriously winning a popular singing competition.

1x24 - L on the Lips/The Liar Is You

February 14, 2010

While trying to figure a means to defeat the tricky Liar Dopant, Shotaro confronts Jimmy about his confidence and trust in his female fan.

1x25 - The P's Game/The Doll Has Sticky Fingers

February 21, 2010

Akiko is asked by a little girl to find her lost doll, which has been terrorizing targets throughout Futo.

1x26 - The P's Game/Akiko on the Run

February 28, 2010

As Horinouchi is taken by the bizarre Shinkuro for further usage, Akiko tries to decipher the meaning of the doll and the truth behind Horinouchi's daughter.

1x27 - The D Was Watching/The Transparent Magical Lady

March 7, 2010

A ditzy female magician who turns invisible asks Shotaro to find the seller of her Gaia Memory, which ultimately leads Ryu to the man who killed his family.

1x28 - The D Was Watching/Twin Maximum Suicide

March 14, 2010

Akiko and Philip desperately try to stop Ryu from taking immediate revenge on Shinkuro when he becomes key to saving Lily from her deadly Gaia Memory.

1x29 - The Nightmarish H/The Melancholy of the Sleeping Princess

March 21, 2010

Shotaro accepted a request from a girl fearing a Dopant who attacks its victims in their dreams which it can control.

1x30 - The Nightmarish H/Who Is the Prince?

March 28, 2010

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.

1x31 - The Wind Called B/The Beast Pursues

April 4, 2010

A mob friend of Sokichi asks Shotaro to help him settle an old score and get what he came back to Futo for.

1x32 - The Wind Called B/Now, in the Radiance

April 11, 2010

While under pressure of being abandoned by Philip as his Double partner for not keeping up, Shotaro tries to decipher the truth behind Bito's framing.

1x33 - Y's Tragedy/The Woman Looking For Yesterday

April 18, 2010

Shotaro decides to help a peculiar woman find her lost cat while Ryu investigates people committing strange actions beyond their control.

1x34 - Y's Tragedy/Brother & Sister

April 25, 2010

Shotaro fights to prevent Yukie from joining Museum for the sake of herself and of the memory of her deceased brother Kirihiko.

1x35 - Beyond the R/The Rain Called Monster Approaches

May 2, 2010

As Shotaro is asked to pursue a young teacher by her students, Ryu also goes after her due to a remarkable similarity between her and his deceased sister.

1x36 - Beyond the R/Surpass Them All

May 9, 2010

Ryu must master the Trial Memory in order to save Nagi from Shinkuro, who has made his move with Saeko for Ryubee's downfall.

1x37 - Visitor X/The Bridge of Promises

May 16, 2010

Shotaro is hired to find a mysterious man's family, while Philip is confronted by Wakana about her position in Museum with her sister gone.

1x38 - Visitor X/In the Name of the Museum

May 23, 2010

As Ryu tries to gain more information regarding Yamashiro's knowledge of Museum, Philip contemplates leaving Futo forever with Wakana.

1x39 - The Potential of G/Bad Cinema Paradise

May 30, 2010

Shotaro is brought in to help a movie-theater worker who has unawaringly become the star of an epic others are forced to watch.

1x40 - The Potential of G/You Are Unforgivable

June 6, 2010

As Akiko desperately tries to complete Toru's movie, the insular director is targeted by Wakana for allowing her to access the full potential of her Dopant power.

1x41 - The J Labyrinth/The Psychotic Villainess

June 13, 2010

Jinno asks Shotaro to help him find a cold-hearted, diamond-obsessed woman who set him up for arrest.

1x42 - The J Labyrinth/The Diamond Is Hurt

June 20, 2010

Shotaro fights to save Rui from destroying herself, while Philip tries to figure out how to outsmart Wakana in gaining his library research.

1x43 - The O Chain/The Aged Detective

June 27, 2010

Shotaro and Ryu are asked by a mother to save her daughter, who has been turned old to satisfy a grudge hit and then suddenly they are approached by Shroud who wants them to become Kamen Rider Double CycloneAccel Xtreme.

1x44 - The O Chain/Shroud's Confession

July 4, 2010

Ryu tries to decipher the truth regarding Shroud and her true purpose as she tries to force him and Philip to join together into the ultimate W to defeat Ryubee.

1x45 - Who the K Needs/The Devil's Tail

July 11, 2010

A request from a worker at the Fuuto museum forces Shotaro to find an artifact required by Ryubee for his final master plan.

1x46 - Who the K Needs/The Last Supper

July 18, 2010

With Shotaro trapped in fear and Ryu injured, Philip is at the mercy of his father Ryubee, who prepares to use his deceased son and Wakana to bring about Gaia Impact.

1x47 - The Abandoned U/A Request From Philip

July 25, 2010

Philip chooses to ask Shotaro to help him find Wakana, who is being held by Kazu for Foundation X's own plans, so he could see her one last time.

1x48 - The Abandoned U/Eternal Partners

August 1, 2010

Shotaro and Philip must endure the ultimate hardships in order to stop Kazu from completing his own Gaia Impact to complete what could be their final case together.

1x49 - Goodbye to the E/A Bouquet of Justice to This City

August 8, 2010

One year after Philip's departure, Shotaro continues onwards; but a case involving saving a boy's sister from Dopant thugs brings forth a change for the better.

Renn Kiriyama

Shotaro Hidari / Kamen Rider Double / Kamen Rider Joker

Masaki Suda

Philip / Kamen Rider Double

Hikaru Yamamoto

Akiko Narumi

Minehiro Kinomoto

Ryu Terui / Kamen Rider Accel

Minori Terada

Ryubee Sonozaki / Terror Dopant

Ami Namai

Saeko Sonozaki / Taboo Dopant

Rin Asuka

Wakana Sonozaki / Claydoll Dopant

Yuki Kimisawa

Kirihiko Sudo / Nasca Dopant

Tomoyuki Dan

Shinkuro Isaka / Weather Dopant

Fumihiko Tachiki

Narration / Gaia Memory (voice)