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 being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.
The best episode of "Kamen Rider" season 20 is "W’s Search/Two Detectives in One", rated 8/10 from 1 user votes. It was directed by Ryuta Tasaki and written by Riku Sanjou. "W’s Search/Two Detectives in One" aired on 9/6/2009 and is rated 1.0 point(s) higher than the second highest rated, "W’s Search/The One Who Makes the City Cry".
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 the attack.
Director: Ryuta Tasaki
Writer: Riku Sanjou
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.
Director: Ryuta Tasaki
Writer: Riku Sanjou
Shotaro is hired to save a girl from a legendary casino who offers ultimate riches for victory… and ultimate penalty for loss.
Director: Satoshi Morota
Writer: Riku Sanjou
Tracking down the legendary casino, Shotaro must defeat it’s Dopant owner as Philip deals with a crisis hindering his mental abilities.
Director: Satoshi Morota
Writer: Riku Sanjou
Tracking down the legendary casino, Shotaro must defeat it’s Dopant owner as Philip deals with a crisis hindering his mental abilities.
Director: Naosuke Kurosawa
Writer: Riku Sanjou
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.
Director: Naosuke Kurosawa
Writer: Riku Sanjou
Philip chases after a street dancer key to a locked memory, while Shotaro pursues a cockroach avenger taking out hired victims.
Director: Ryuta Tasaki
Writer: Naruhisa Arakawa
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.
Director: Ryuta Tasaki
Writer: Naruhisa Arakawa
Akiko gets a job as a maid for the Sonozaki family in order to investigate a Dopant abducting pastry chefs.
Director: Takayuki Shibasaki
Writer: Riku Sanjou
Shotaro gets embroiled deeper in the Sonozakis connection to the Dopants as Akiko attempts to find the criminal behind the patisserie abductions.
Director: Takayuki Shibasaki
Writer: Riku Sanjou
Shotaro decides to help an underworld gang after a member is killed by a Dopant-possessed car.
Director: Satoshi Morota
Writer: Keiichi Hasegawa
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.
Director: Satoshi Morota
Writer: Keiichi Hasegawa
Shotaro and Philip investigate a Dopant stalker causing chaos in order to impress Wakana.
Director: Hidenori Ishida
Writer: Keiichi Hasegawa
As Shotaro continues to try and lure out Wakana’s violent stalker, Philip continues to get unusually close to the radio-broadcasting Sonozaki.
Director: Hidenori Ishida
Writer: Keiichi Hasegawa
A suspicious woman hires Shotaro to find a Dopant who is running amuck while taking the name “Kamen Rider” as his own.
Director: Takayuki Shibasaki
Writer: Riku Sanjou
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.
Director: Takayuki Shibasaki
Writer: Riku Sanjou
When Shotaro is hired to find the daughter of his barber, he discovers horrible new developments regarding the Gaia Memories.
Director: Satoshi Morota
Writer: Keiichi Hasegawa
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.
Director: Satoshi Morota
Writer: Keiichi Hasegawa
The new leader of Fuuto Police’s Dopant investigation division uses Shotaro to track down a Dopant attacking victims with ice.
Director: Hidenori Ishida
Writer: Riku Sanjou
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 Dopant.
Director: Hidenori Ishida
Writer: Riku Sanjou
Makura involves Shotaro in a case in rooting out a traitor within the Fuuto police leaking out information on the Gaia Memories.
Director: Koichi Sakamoto
Writer: Keiichi Hasegawa
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.
Director: Koichi Sakamoto
Writer: Keiichi Hasegawa
A request from Queen & Elizabeth leads to an investigation of a terrible street performer mysteriously winning a popular singing competition.
Director: Ryuta Tasaki
Writer: Riku Sanjou
While trying to figure a means to defeat the tricky Liar Dopant, Shotaro confronts Jimmy about his confidence and trust in his female fan.
Director: Ryuta Tasaki
Writer: Riku Sanjou
Akiko is asked by a little girl to find her lost doll, which has been terrorizing targets throughout Fuuto.
Director: Hidenori Ishida
Writer: Keiichi Hasegawa