Using the Masked Rider System developed by the secret organization of ZECT, Tendo Soji fights the Worm, extraterrestrial life forms that murder and mimic human beings.
Episódios
1. Episódio 1
29 de jan. de 2006 25mSeven years ago, a meteor slammed into the city of Shibuya and destroyed it, carrying with it the Worms, alien lifeforms that blend into the human population by copying people’s forms. The paramilitary corporation ZECT fights the Worms, developing the Masked Rider System as their anti-Worm weapon. When the paths of ZECT member Kagami Arata and the mysterious Tendou Souji cross, the day Souji has waited for finally arrives, as he is the man who walks the path of heaven…
2. Episódio 2
5 de fev. de 2006 25mArata struggles with the Kabuto Zecter having chosen Souji over himself, especially in the face of Kabuto’s defeat against the Worms’ Clock Up ability. After enjoying a meal at a small French cafe, Souji and Arata rush into another battle with the Worms where Souji reveals that he knows more about the Masked Rider System than he first let on, gripping the Kabuto Zecter…
3. Episódio 3
12 de fev. de 2006 25mA woman named Yuki is attacked by the Lanpyris Worm and impersonated, but she survives, leaving two Yukis running around, but one is swiftly captured and imprisoned. Tensions increase between Souji & Arata, who is quickly falling out of favor with ZECT, as Souji sets the stage for the two Yukis to meet face to face again, kicking off a fight at an amusement park...
4. Episódio 4
19 de fev. de 2006 25mArata must face the difficult truth about who his younger brother really is. Souji confronts Arata, telling him that he will defeat the Worms, no matter who they are. In the end, Arata is left with the toughest choice of his life, as the rain begins to pour…
5. Episódio 5
26 de fev. de 2006 25mEnding up at Souji and Juka’s home, Hiyori and Juka bond over their shared history of being present for the Shibuya meteor strike. Later, Souji offers to join Hiyori at the Tokyo Tower, but when ZECT sets their sights on Kabuto, will he be forced to break his promise?
6. Episódio 6
5 de mar. de 2006 25mHaving been taken in by ZECT, Souji makes several demands, including speaking to Juka and asking Hiyori to make her breakfast. Arata begins to worry about Souji, but when he arrives at ZECT, Souji has already begun his escape. In the process, he learns that two of the ZECT members are Worms, and Arata tries to warn Misaki, but it may be too late...
7. Episódio 7
12 de mar. de 2006 25mArriving from ZECT HQ, Kamen Rider TheBee joins the fight as Arata warns Souji to stay out of ZECT’s affairs now that they have a Rider following their orders. However, he ends up butting heads with TheBee’s user, Yaguruma Sou, ending up in a battle of tofu dishes with Hiyori as the judge. But will their clash in the kitchen spill over to the battlefield?
8. Episódio 8
19 de mar. de 2006 25mSouji turns out to have been correct about the other Worm escaping, so Shadow, now with Arata as part of the team, sets up at another wedding, locking it down. However, Souji manages to breach their defenses and takes on the Worm, but an angry Yaguruma won’t let this go and the two Riders face off…
9. Episódio 9
26 de mar. de 2006 25mAs Kabuto and TheBee fight, Arata tries to stop them, giving TheBee an opportunity to gain the upper hand and destroy Kabuto’s belt. As Souji recovers from the battle, Arata struggles with his position as Hiyori once again remembers a memory of her past…
10. Episódio 10
2 de abr. de 2006 25mTo defend the team from the Worms after Yaguruma loses his transformation, Arata obtains TheBee Zecter and transforms, finding himself as the new captain of Shadow. But can he fulfill the orders given to him from HQ?
11. Episódio 11
9 de abr. de 2006 25mKagami is ready to cancel his group date until it's suggested that Tendou join him; a man with a young girl is seen walking around with a large makeup kit.
12. Episódio 12
16 de abr. de 2006 25mDaisuke refuses the offer to join ZECT and challenges Tendou to contest in who can attract more girls.
13. Episódio 13
23 de abr. de 2006 25mKageyama joins Misaki's team after the Shadow team has been dissolved; someone within ZECT is leaking information and former Shadow team members are getting killed.
14. Episódio 14
30 de abr. de 2006 25mKagami is implicated of being the traitor; Hiyori accuses Tendou of killing her parents.
15. Episódio 15
7 de mai. de 2006 25mKagami decides to take a sabbatical and take on a case himself; Daisuke and Tendou have a competition over Misaki's appearance.
16. Episódio 16
14 de mai. de 2006 25mTendou joins the Shadow unit as the captain, much to the chagrin of Kageyama; everyone is confused when three of the same doctor appear at the same place and none of them are attacked by a Worm.
17. Episódio 17
21 de mai. de 2006 25mAfter Kageyama tries kidnapping Gon, she becomes jumpy and Daisuke grows frustrated with her.
18. Episódio 18
28 de mai. de 2006 25mZECT holds Gon hostage in order to get Daisuke to work with them; Tendou is determined to find the miso soup that Gon likes.
19. Episódio 19
4 de jun. de 2006 25mTendou finds a man who is his athletic equal; a spree of robberies have been happening by someone called the Phantom Shadow.
20. Episódio 20
11 de jun. de 2006 25mTsurugi heads out for groceries and causes an accident involving Tendou's little sister; the Phantom Shadow have their eye on one of Tsurugi's heirlooms.
21. Episódio 21
18 de jun. de 2006 25mZECT is working on a new Rider system; Kagami stumbles upon a Worm nest with a young boy trapped inside; Tsurugi is enticed by Tendou's cooking.
22. Episódio 22
25 de jun. de 2006 25mKagami is hospitalized after trying to use Gatack; Tsurugi has his birthday party at Bistro La Salle.
23. Episódio 23
2 de jul. de 2006 25mKagami sees Hiyori with a green rock that is attracting Worms; Tendou finds Tsurugi's butler running a sobo cart and decides to run it for him.
24. Episódio 24
9 de jul. de 2006 25mTsurugi opens a restaurant across the street from Tendou's sobo stand; Hiyori wants to go into Shibuya with the hope that she'll uncloud her memories.
25. Episódio 25
16 de jul. de 2006 25mTendou decides to try and get information through the police rather than ZECT; a Worm takes on Misaki's form and goes after Juka.
26. Episódio 26
23 de jul. de 2006 25mMisaki and Kagami's plan to get inside ZECT headquarters has failed; Misaki's Worm doppelganger has found her way to Tsurugi.
27. Episódio 27
30 de jul. de 2006 25mZECT makes an alliance with a Worm; Gon remembers Daisuke and wants to see him again; Jiiya falls ill and Tsurugi learns that he is broke.
28. Episódio 28
6 de ago. de 2006 25mThe other Riders are called in to see that Daisuke has been murdered and the one currently running around is a Worm.
29. Episódio 29
13 de ago. de 2006 25mTendou is given a knife by a dying man who wants to see it given to its proper owner; Junka visits a restaurant that has had all of its customer's stolen by a place across the street with a new chef.
30. Episódio 30
20 de ago. de 2006 25mThe wielder of the black knife is going around and asserting his dominance to all of the local shops when Tendou challenges him to a rematch.
31. Episódio 31
27 de ago. de 2006 25mKagami investigates after discovering that Tsurugi is a Worm; Hiyori finds a photo of her parents at Tendou's house.
32. Episódio 32
3 de set. de 2006 25mAfter Hiyori finds out that she's a Worm, Tendou tells her about the murder of his parents.
33. Episódio 33
10 de set. de 2006 25mAfter having lost Hiyori, Tendou joins ZECT and plans to take the Zecters from every Rider.
34. Episódio 34
17 de set. de 2006 25mTendou learns of the Hyper Zecter; Renge is enticed to try real food again; Tsurugi wants to know what it's like to live like a commoner.
35. Episódio 35
24 de set. de 2006 25mTsurugi explains to Kagami that he doesn't need the powers of Sasword anymore; Kageyama is determined to become The Bee again.
36. Episódio 36
1 de out. de 2006 25mKagami learns that Worms have been here long before the meteorite; Tendou is warned that Kabuto and Gatack have minds of their own.
37. Episódio 37
8 de out. de 2006 25mThe baseball team from Juka's school disappears right before her trip which causes Tendou to investigate.
38. Episódio 38
15 de out. de 2006 25mJuka leaves for her trip as Tendou unravels the mystery of the mirror.
39. Episódio 39
22 de out. de 2006 25mAfter being defeated by Tendou, Daisuke finds Rena who is now not aware that she is a Worm; Tsurugi asks Kagami to help him ask out Misaki; Tendou laments about not being able to find a way back to Hiyori.
40. Episódio 40
29 de out. de 2006 25mYaguruma develops a crush on Rena; Daisuke is forced to deal with the fact that the women he loves is a Worm.
41. Episódio 41
5 de nov. de 2006 25mZECT develops an Anti Mimic Bomb to counter the Worms; Kagami learns that his father is the head of ZECT.
42. Episódio 42
12 de nov. de 2006 25mA group of Natives have been kidnapped and Kagami is chosen to lead the negotiations; Yaguruma challenges Tendou to another tofu battle.
43. Episódio 43
19 de nov. de 2006 25mTendou finds out that his mimic self has crossed over to this world; Kagami is called in to fight a Worm and has his Rider Kick turned against him.
44. Episódio 44
26 de nov. de 2006 25mTendou and Kagami wonder if Hiyori was telling the truth about not wanting to return; ZECT is having a hard time trying to keep an army of Worms out of Area Z.
45. Episódio 45
3 de dez. de 2006 25mTendou recruits as many of the Riders into ZECT as possible; Tsurugi asks Misaki out on a Christmas date.
46. Episódio 46
10 de dez. de 2006 25mTsurugi discovers the truth that he is a Worm.
47. Episódio 47
17 de dez. de 2006 25mThe Natives have made a necklace that detects Worms and ZECT are giving them out to everyone in the city.
48. Episódio 48
24 de dez. de 2006 25mTendou learns that the necklaces are actually turning people into Worms; Kagami joins with the Natives to strive to create a peaceful world.
49. Episódio 49
31 de dez. de 2006 25mKagami learns of the truth and heads out to stop the world from being turned into Worms.