Kamen Rider: Decade
Many of parallel worlds were merging to bring a great catastrophe; Kamen Rider Decade travels around the worlds to prevent it with exploiting all the other Kamen Rider’s skills.
Season 19 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 18.
- 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
Many of parallel worlds were merging to bring a great catastrophe; Kamen Rider Decade travels around the worlds to prevent it with exploiting all the other Kamen Rider’s skills.
Episode Guide
Season 19 Progress Shield
Rider War
Jan 25, 2009 · 25 min
After Natsumi Hikari has a nightmare of every Kamen Rider being defeated by a figure called Decade, she helps her grandfather Eijiro deal with unsatisfied customers. The photograph
The World of Kuuga
Feb 1, 2009 · 25 min
Arriving in the World of Kuuga, Tsukasa takes the guise of a policeman and watches Kuuga destroy a pair of Grongi, Ra-Dorudo-Gu and Me-Gyarido-Gi, before reverting to his human for
Transcendence
Feb 8, 2009 · 25 min
After fending off the Hoppers who disappeared into another dimensional rift, Yusuke reveals he was told of Decade by a mysterious man. When Ai and her task force go to investigate
Second Movement ♬ Kiva the Prince
Feb 15, 2009 · 25 min
Arriving in the World of Kiva, Tsukasa and company discover that the Fangires of this world have made a truce with the humans. However, when Tsukasa finds the Lion Fangire attackin
Qualifications of the Biting King
Feb 22, 2009 · 25 min
As Tsukasa is fighting against Kaixa in another dimension, the Beetle Fangire defeats Wataru and becomes the new Fangire king, claiming Kivat. After the new King dissolves the truc
Battle Trial - Ryuki World
Mar 1, 2009 · 25 min
Upon arriving in the World of Ryuki, Natsumi goes to the Atashi Journal headquarters to learn about the world's Kamen Riders from its editor, Reiko Momoi. After Natsumi's arrival a
The True Culprit's Super Trick
Mar 8, 2009 · 25 min
After defeating Knight, Decade is about to finish him off when Ryuki pleads with him not to deliver the final blow, as he feels Knight must answer for his crime by his hand. Howeve
Welcome to Blade Cafeteria
Mar 15, 2009 · 25 min
Arriving in the World of Blade, Tsukasa assumes the disguise of the Chief Waiter of the BOARD Corporation, an organization whose agents become Kamen Riders to battle the Undead. Wh
Blade Blade
Mar 22, 2009 · 25 min
Decade continues his fight with Chalice, with Garren losing his Garren Buckle in the process. The fight comes to a sudden halt when Kamen Rider Todoroki shows up. Back at BOARD, Hi
Phantom Thief of Faiz Academy
Mar 29, 2009 · 25 min
Upon arriving in the World of Faiz and once more encountering the mysterious Daiki Kaito, Tsukasa finds himself in a school uniform and enrolled at Smart Brain High School. He lear
555 Faces, 1 Treasure
Apr 5, 2009 · 25 min
After Tsukasa recovers the Faiz Gear, he learns Diend's reasons for wanting the belt before Takumi regains it so he and a shocked Yuri can escape on the Autovajin. However, as he e
Reunion Project Agito
Apr 12, 2009 · 25 min
Upon arriving in the World of Agito, Yusuke is shocked that there are Grongi in the world which are being dealt with by Kamen Rider G3-X. He is further shocked when he sees an inte
Awaken. The Soul Tornado
Apr 19, 2009 · 25 min
After Yusuke saves Tsukasa from Delta's attack, Gills is about to fight when he's overcome with pain as the Unknown shows up to kill him. As Shouichi escapes, Toko recognizes him v
Cho Den-O Beginning
Apr 26, 2009 · 25 min
When the Hikari Studio appears in the World of Den-O, Tsukasa finds himself dressed in a strange detective-like attire with possession of a Rider Pass. He is then suddenly possesse
Here Comes Super Momotaros!
May 3, 2009 · 25 min
After getting on the DenLiner, Tsukasa takes pictures of the DenLiner's gang before the Taros. But after Kohana sets the three Imagin in their place, they suddenty find the Hikari
Warning Kabuto is Out of Control
May 10, 2009 · 25 min
After helping the DenLiner gang in the past, Tsukasa and company begin their venture in the World of Kabuto. Posing as a ZECT Trooper, Tsukasa is deployed to aid Bright Troopers in
"The Path of Grandmother's Flavor"
May 17, 2009 · 25 min
Believing that TheBee's user is her brother, Mayu attempts to look for him with Natsumi's aid until they are attacked by a Worm. Counting on Kabuto to save them, Diend fights him t
Missing Hibiki
May 24, 2009 · 25 min
Arriving in the last world, the World of Hibiki, Tsukasa and company begin the search for Kamen Rider Hibiki when they are ambushed by the Makamou Kappa. An Oni in training named A
Journey's End
May 31, 2009 · 25 min
Using Ryuki's powers, Decade battles Gyuki while Ibuki and Zanki argue whose fault this was. When Akira and Todoroki join the fray in their Oni forms to save Asumu as he tries to p
The Dark Riders of Nega World
Jun 7, 2009 · 25 min
With their tour of the nine Kamen Rider Worlds complete, the Hikari Studio group returns to their home world, finding it as it was before the monsters appeared. Tsukasa is the only
Going Through the Complete Rider Album
Jun 14, 2009 · 25 min
After Tsukasa suddenly loses his powers, he learns from Kaito that he is actually in the World of Negatives. He later is seen by a talent agent and is offered to be signed onto his
Diend is Wanted
Jun 28, 2009 · 25 min
Arriving in Kaito's homeworld, the World of Diend, Tsukasa finds the world in peace and harmony, but with Kaito a wanted man. As Tsukasa assumes the role of a traveling salesman, h
End of Diend
Jul 5, 2009 · 25 min
Nearly killed by Lance, Kaito is spared when Larc stops her partner as he reminds her that he is the reason that Junichi is under Fourteen's control. After escaping the angry mob,
The Samurai Squadron Appears
Jul 12, 2009 · 25 min
Arriving in the new world with a strange card in hand, Tsukasa finds himself in the costume of a kuroko before running into Daiki who just stole a squid-like artifact. Daiki mentio
Heretic Rider Go Forth!
Jul 19, 2009 · 25 min
After Tsukasa reveals himself, Takeru realizes that Tsukasa is the "Decade" Narutaki warned him about. Before the two can fight, Narutaki arrives to tell Tsukasa he is to blame for
RX! Dai-Shocker Invasion
Jul 26, 2009 · 25 min
Tsukasa finds himself wearing strange clothes with another strange card as he, Natsumi, and Yusuke find themselves attacked by the Strange Demon Robot Schwarian and his Chaps as Ka
Black × Black RX
Aug 2, 2009 · 25 min
Following Apollo Geist into another A.R. World, Decade is attacked by Kamen Rider Black until Diend arrives and summons Femme to hold him off. The next day, after learning that he
Amazon, Friend
Aug 9, 2009 · 25 min
Arriving in a new A.R. World, finding himself in a baseball uniform, Tsukasa notices the people are acting strange while saluting each other before he, Natsumi and Yusuke are singl
The Strong Naked Strongman
Aug 16, 2009 · 25 min
Evading Apollo Geist and Llumu Qhimil with Diend's attempt to get the GaGa Armlet, Tsukasa has his wounds tended to by Natsumi in Dai-Shocker's school before Yusuke and a weakened
Rider War - The Prologue
Aug 23, 2009 · 25 min
When Natsumi realizes that this is the world from her nightmares, she becomes wary for Tsukasa's well-being. Finding him in a tuxedo and feeling that this is the final chapter to t
The Destroyer of Worlds
Aug 30, 2009 · 25 min
After fighting off the Riders, Super Apollo Geist takes Natsumi to be his new bride as he flees. Kazuma Kenzaki appears, saying that Tsukasa's existence is the real cause of the wo