Kamen Rider Decade Stories (I can't think of English real names)
(Here's how this should be in the English series)
Kuuga's World: In Kuuga's World, Yuusuke finds the Kuuga belt from the archeological center. Yuusuke becomes Kuuga and is found by Narutaki to warn him of Decade coming to his world. Tsukasa comes to Kuuga's World to stop the Grongi. Both Kuuga and Decade put aside their differences after they met and fought each and work together to stop the Grongi. Kuuga then goes with Decade in his quest.
Agito's World: In Agito's World, the police that was a part of Kuuga's World still exists and are fighting against the Unknown. G3-X fights of the Unknown. Both a chef named Shouichi and a wild rider named Ashihara are both best friends. Yuusuke finds a woman of the police who he thought was the same one he knew. Tsukasa tries to find Agito and Gills helps Decade find him. But when Shouichi meets up with Tsukasa in a fight against the Taurus, Shouichi reveals himself as Agito and Decade realizes he and Gills kept it secret for the time to come for revealing himself. Note: There is no Hikawa in this one. But there will be soon after the battle in Agito's World.
Kiva's World: In Kiva's World, the Fangires and humans are finally living in peace. Taiga isn't around the city for a while. Wataru and Megumi are married as Megumi is now Saga after Sagark was given by Taiga. Tsukasa, Natsumi and Yuusuke visit Kiva's World and find that one of the Fangires hate this new order from the new king. Tsukasa and Wataru finally meet again and both test each others skills. The Beetle Fangire plans to steal the throne and the power of Kiva. Meanwhile Nago/IXA and Wataru go to his father's and mother's graves since their death over the years. Suddenly Kiva and Decade team up to stop the Beetle Fangire's cruel scheme and together they IXA and Saga fight the other rebellion Fangires who are against the new King.
Dragon Knight's World: In Dragon Knight's World, Kit continues to protect Earth from any threat now that Xaviax is in prison. Len goes to Kit and both visit Ventara to learn that a new threat is coming and using one of the new Rider Advent Decks. Tsukasa joins up in the battle and the new Rider named Aqua Knight (Abyss) steals the new and old Advent decks again and intends to make a new Rider war again.
New Rider: Abyss, Buzzer (Buzzstinger), Fenghuang (Fenghuang)
Blade's World: Everything was peaceful in Blade's World. Hajime/Chalice enjoys his time with the family. Tachibana and Mutsuki make their own living. Tsukasa comes to Blade's World and learns that the Undead that were not unsealed are free. Galleon, Chalice and Leangle return, but new Riders are joining in: Golden Glaive, Emerald Lance and Ruby Arrow are taking over. Things were going good until... the Navy Joker arrives. Hajime realizes that it is Kenzaki and he couldn't control his Undead nature. Golden Glaive intends to capture him for the new BOARD boss. Hajime couldn't let that happen and so he chooses to transform to Joker in order to save Kenzaki and Amane. Amane was shocked of what she sees and doesn't know what to believe anymore. Tsukasa learns about BOARD's old chief Karasuma that their is still good in Kenzaki and he intends to get BOARD back from the Undead. Tsukasa meets Kaito and regains some memories. Tsukasa protects Kenzaki for Hajime and when the Paradoxa Undead who was once Aqua Knight (Abyss) tries to attack Hajime's loved ones. Kenzaki comes in to save Amane and the others realize that he still has justice in his heart. Tsukasa gives the Blade Buckle to Kenzaki and the others go into battle against the Albino Joker.
New Riders: Glaive, Lance, L'arc
Faiz: Smart Brain has went out of business. It is now a school to protect itself from the Orphenoch King. Takumi keeps living and Tsukasa goes undercover to find Faiz and protect the school from the reborn Orphenoch King. Takumi and Mihara return as Faiz and Delta to protect the school. Unfortunately, the King returns and revives some of the Orphenochs including the reborn Kusaka as the Tiger Orphenoch and becomes Kamen Rider Sigma. Kaito meets up with Tsukasa and intends to defeat the king and steal the new rider belts for himself. He transforms to Diend and fights Decade. Tsukasa learns from Takumi and Mari that an old friend who was like him wanted to make Orphenochs and humans live in peace. Tsukasa learns this and gets a sample from the king to revive Kiba/Horse Orphenoch and more importantly rebuild the Kaixa belt from the last battle against the king into brand new and Decade and Faiz defeat both the Lobster, Kusaka/Sigma/Tiger Orphenoch and the king.
New Riders: Sigma
Den-o: Tsukasa, Yuusuke and Natsumi enter Den-o's World. The three of them meet up with the Imagin and are looking for Ryotaro but wasn't at the Coffee shop. Airi sees Ryotaro different and isn't having bad luck. The two boys (the boys who love Airi) are beaten by Ryotaro and Airi wants an explanation. Ryotaro leaves the shop and the Imagin and Tsukasa find Ryotaro acting strange beating the Imagin. The gang meets up with Hana now grown up and the Owner and Naomi to learn that it is the Ryotaro they know. While Yuusuke and Natsumi are on Denliner, Tsukasa hops onto Zeroliner to meet Yuuto and Deneb. The Imagin for the meantime take control of Natsumi's and Yuusuke's bodies for a while to stop a couple of Imagins and the Crocodile Imagin rampage the present. Tsukasa, Yuuto and Ryotaro are back in the present and the others want an explaination of his strange behavior. Tsukasa tells them that the Ryotaro is an alternate version from another alternate timeline. The evil Ryotaro with good luck shows up and tells that the reason that he came to the present was to eliminate the bad luck Ryotaro for his interference with the Imagin and Kai. Diend showed up to steal the Denliner and Zeroliner, but Zeronos protects both the trains from the thief. Ryotaro and Tsukasa transform and fight the fake one as he becomes Dark Den-o (Liner Form and using Dengasher). After that Ryotaro sees Airi and tells her that he's sorry for all that's happened. Tsukasa explains everything to her about Ryotaro.
New Riders: Dark Den-o
Kabuto: Tendou Souji left America for a while. A new beetle rider called Atlas takes over. Tsukasa goes to this world to learn of Kabuto and the rider system they make with a special power: Clock up. Diend wants that power for himself and gets help from two spider riders (Black Widow and Onigumo). Kagami/Gatack and Atlas fight against the Worm and Kagami meets Tsukasa and the others about Kabuto. Kabuto returns to fight against the worm with Decade using Faiz Accel's Start up. Atlas becomes jealous of his return and Zect orders him to eliminate Kabuto for returning. Hiyori, Tendou's sister gets kidnapped by Onigumi and Black Widow. Diend tries to get Kabuto's Clock up System but failed. It is also revealed that Atlas is a worm along with two of the Arachnid riders who are spider worms. Kabuto, Gatack and Decade battle the lying beetle rider and Hiyori is safe.
Hibiki: Hibiki is retiring. Asumu becomes a student of Hibiki. Ibuki retires along with Zanki. Todoroki and Amaki becomes teachers to the new students who'll become Oni. Unfortunately, a Makamou called Gyuki comes in to attack the Oni and all Oni students are in danger. Hibiki was then revealed to be Gyuki and Asumu realizes that the only way to set his soul free from the Makamou's control is to destroy him. Amaki, Todoroki, Decade, Diend and the new Hibiki defeat Gyuki and the crab monster using the ways of Ongekido.
I'll figure out Dark Kamen riders world.