Episode 1: Rider Taisen (Rider War)
Aire date: January 25, 2009
The Hesei Rider Worlds, starting from Kamen Rider Kuuga and onwards,
have united! The story of traveling to the other 9 worlds, one of
destruction and creation, begins now!
One day, Hikari Natsumi, of the Hikari Photo Studio, has a dream that
all of the Kamen Riders are fighting against a mysterious enemy. For
some reason, Natsumi knew the name of this enemy was "Decade". Then,
when she wakes up, she finds a mysterious man with amnesia who has
entered the photo studio, offering guests money to take pictures of
them, and consequently angering those guests. Before Natsumi can do
anything, an unexpected wind blows, signaling the attacks of monsters
on people of this world!
Then, Kurenai Wataru/Kamen Rider Kiva appears in front of this
mysterious man, Kadoya Tsukasa. Wataru tells Tsukasa that he is Kamen
Rider Decade, and that the world may end one day, if things are not
changed. He tells Tsukasa his powers are needed to save the world! The
only way to do this? Travel to the other 9 Rider Worlds and defeat the
other riders! Tsukasa becomes Decade, and transforms into Kabuto,
Hibiki and Faiz to fight the monsters!
Episode 2: Chozetsu (Transcendence)
Airdate: February 1, 2009
Wataru had given Tsukasa his mission- travel to other 9 rider worlds,
and defeat the riders to save the world. Tsukasa and Natsumi are
transported with the Hikari Photo Studio to the Kuuga World, where
Tsukasa becomes disguised as a Policeman working under Detective
Yashiro Ai, who investiagtes into the murders conducted by the Grongi,
whom Kamen Rider Kuuga fights against. Tsukasa is looking for Kuuga,
and finds he works alongside the police. Kuuga's identity was Onodera
Yuuske. As Tsukasa tried to persue Yuuske, Yashiro is attacked by the
Grongi and Kuuga and Decade must fight them...
Episode 3: Transcendence
Airdate: February 8, 2009
Black Smoke emitted from a mountain is turning people into Grongi. To
protect an important invidual, Yuuske and Tsukasa team up against N
Gamio Zeda, using a new technique!
Episode 4: Second Movement ♬ Kiva's Prince
Airdate: February 15, 2009
Tsukasa journies to the Kiva no Sekai, a world where Humans and Fangire co-exist.
Episode 5: The Biting King's Qualifactions
Airdate: February 22, 2009
The Beetle Fangire plots to become King, and Wataru becomes Kiva to fight him...
But then, The Beetle Fangire steals the Kiva Armor, and with it,
becomes the new King, taking Garuru, Basher, Dogga and
Bishop/Swallowtail Fangire under his control. Tsukasa heads to Castle
Dran where he fights Swallowtail and the Beetle Fangire in an attempt
to get back the armor...
Episode 6: Battle Judgement: Ryuki's World
Airdate: March 1, 2009
Tsukasa and the others head to Ryuuki's world, where Natsmu
unfortunately becomes a suspect in the murder of the "Atashi Journal"
Editor, after heading to the journal to find out about the riders of
this world. In this world, the Kamen Riders are lawyers who try their
cases by fighting each other, in the "Kamen Rider Trial System." The
winner decides the accused's fate. One of the lawyers is Shinji, Kamen
Rider Ryuki. Also, a new rider, Kamen Rider Abyss, appears, who wasn't
in the television series...
Episode 7: Super Trick of the Real Criminal
Airdate: March 8, 2009
Tsukasa becomes a lawyer to save Natsumi. He transforms into Decade,
and the form rides into Kiva to fight Ryuki and Knight. However, Abyss
appears, and a big fight ensues. It is suspected that Ren is the real
culprit in the murder, but Shinji can't believe this. He finds Knight
fighting Kamen Rider Odin, but why?
Episode 8: Welcome to the Blade Restaurant
Airdate: March 15, 2009
Tsukasa and Co. travel to the Blade no Sekai. There, we are introduced
to Kentate Kazuma and Hishigata Sakuya, who work at the company "Board"
to seal Undead, as Kamen Riders. Tsukasa disguises himself as Chief of
the Staff's Dining Room, but must assist Kazuma when his allies are
being attacked by the Undead...
Episode 9: BladeBlade
Airdate: March 15, 2009
Decade fights Chalice, ending in a big explosion. Kazuma is fired,
though Tsukasa gets a bonus from the President of Board. Sakuya and
Mutsuki go to investigate Undead activity, but Sakuya has his belt
stolen by an Undead in the middle of a fight. Due to this blunder,
Sakuya is demoted, and Mutsuki is promoted to the commander of the
team. Chalice is transformed...