One day out of the blue, a faint-hearted boy named Ryōtarō Nogami picks up a pass to the time-travelling train, Den Liner. Ryōtarō then becomes Kamen Rider Den-O to fight the invaders from the future, Imagin.
Episódios
1. Eu Tô na Área!
28 de jan. de 2007 25mA luckless boy named Ryotaro Nougami comes across a strange train pass and becomes possessed by a powerful demon as he finds himself unexpectedly becoming the a hero known as Den-O fighting strange creatures from another time!
2. Viaje no Tempo
4 de fev. de 2007 25mRyotaro discovers more about his duty as Den-O to protect the timestream as he tries to figure a way to appease Tetsuo before the Bat Imagin can ruin the past.
3. Momotaro Criminoso
11 de fev. de 2007 25mMomotaros decides to use Ryotaro's body without his permission, leading to him to become the bodyguard of a minor criminal in need of cash.
4. Sai Fora, Demônio! Tô Falando Sério
18 de fev. de 2007 25mAngry with Momotaros for using his body for the sake of money, Ryotaro decides to handle helping Yamagoshi without summoning the Imagin for help!
5. Posso Fisgar Você?
25 de fev. de 2007 25mA suave but lying Imagin suddenly takes over Ryotaro's body, angering Momotaros as he fights to assert his dominance within the Singularity Point!
6. A Dignidade do Golpista
4 de mar. de 2007 25mWith Urataros causing nothing but trouble, Ryotaro is forced to make a decision regarding whether to keep the lying Imagin around while he and Hana try to figure out the Imagin's contract holder.
7. A Explosão de Ciúmes
11 de mar. de 2007 25mMomotaros tries to prevent Urataros from causing too much chaos with Ryotaro, while Ryotaro sparks the jealousy of a boyfriend of a girl he is forced with, leading to a drastic confrontation.
8. Melodia Triste・Melodia do Amor
18 de mar. de 2007 25mBoth Ryotaro and his sister Airi work to try and improve relations between the broken couple as Den-O tries to figure out the mystery behind the Imagin's attacks.
9. Minha Força Te Fez Chorar
25 de mar. de 2007 25mRyotaro and Hana pursue two Imagin attacking martial artists, one to eliminate rivals while another only to prove its own strength against other opponents.
10. Hana é um Tempestuoso Ponto de Singularidade
1 de abr. de 2007 25mRyotaro tries to discover the truth regarding the karate champion possessed by the Rhino Imagin, while Hana tries to make sense of the Bear Imagin and what he really desires.
11. Loucura・Desilusão・Flor Mosquitinho
8 de abr. de 2007 25mRyotaro becomes the bodyguard of an adoring idol who suddenly finds herself under attack, both in a plot of jealousy and an Imagin.
12. Corra, Taros!
15 de abr. de 2007 25mAfter discovering the Imagin contract holder is Kasumi's father, Ryotaro tries to discover why as Kintaros keeps trying to manage resolving the crisis in his own stubborn ways!
13. Hã? Não Tô te Ouvindo
22 de abr. de 2007 25mRyotaro suddenly becomes possessed by an evil spirit who kicks out all the other Imagin and deals with threats in its own destructive way!
14. Dança Com o Dragão
29 de abr. de 2007 25mRyutaros continues to cause problems to the other Imagin in holding on to Ryotaro's body, forcing them to take action in order to get their partner back.
15. Pânico no Banheiro
6 de mai. de 2007 25mRyotaro is taken hostage by a wannabe criminal in a bathhouse as an aquatic Imagin starts running amuck.
16. A Estrela da Sorte, A Rendição do Criminoso
13 de mai. de 2007 25mAs he remains hostage by the bathhouse owner, Ryotaro tries to figure out the mystery of his relations with his former boss while trying to prevent Ryutaros from dealing with him his own way.
17. Aquele Cara Está Aqui! E no Passado Também?
20 de mai. de 2007 25mRyotaro and Hana decide to clamp down on the Imagin possessing him out of fear of Den-O's health; as Ryotaro encounters a former classmate nostalgic for the past.
18. O Noivo-Relógio
27 de mai. de 2007 25mAfter encountering the mysterious Past Man, Ryotaro decides to stay in the past in hopes of determining who he really is, even at the risk to himself.
19. Aquele Homem, O Ponto Zero
3 de jun. de 2007 25mYuto Sakurai's past self appears before Ryotaro to tell him to not try to be so reckless in his pursuits again as a violent Imagin suddenly makes its move in the present.
20. E Já Vou Logo Avisando
10 de jun. de 2007 25mYuto confronts Ryotaro about his duty as Den-O while both try to stop the Jelly Imagin from causing chaos.
21. Ryutaros Brigão
24 de jun. de 2007 25mRyutaros grows jealous of Yuto due to his connection to Airi, making him take drastic action in order to take him down!
22. Um Futuro Sobre o Qual Não Posso Falar
1 de jul. de 2007 25mThe fight between Den-O and Zeronos continues as they fire shot for shot, until Hana, once, again, tries to intervene.
23. O Príncipe Chegou, Abaixe a Cabeça!
8 de jul. de 2007 25mA bizarre Imagin boards the DenLiner, pushing around the other Imagin in order to be pampered and to protect his newborn host!
24. A Canção de Ninar do Príncipe Em Despedida
15 de jul. de 2007 25mAfter Ryotaro becomes arrested while trying to return Sieg's host, Hana tries to teach the troublesome Imagin what it means to be a real, responsible prince.
25. Climax Double Jump
22 de jul. de 2007 25mRyotaro continues to try and gain the trust of Yuto, even as he's being dragged to an important climax!
26. Um Ticket Para a Linha dos Deuses
29 de jul. de 2007 25mRyotaro continues to attempt to assist the Zeronos of the present in protecting a contract holder from the Spider Imagin even as Yuto's future self keeps dragging him to another time!
27. Presas Que Desregulam o Horário
5 de ago. de 2007 25mTwo Imagin controlled by a hidden mastermind possess a pair of criminals in order to attempt to both attack the present and lure Ryotaro into a trap!
28. Muito Sortudo, Muito Animado, Muito Estranho
12 de ago. de 2007 25mAfter defeating Gaoh, Ryotaro's ability to fight as Den-O becomes complicated when three of the Imagin start to fade away due to the measures needed in the prior showdown!
29. Show de Horrores da Sorte
19 de ago. de 2007 25mIn order to gain the ability to use Climax Form better, Ryotaro uses a haunted house challenge to inspire the Imagin to work together in harmony.
30. Senhora, Que Tal os Fogos de Artifício?
26 de ago. de 2007 25mDeneb approaches Ryotaro in hopes of having him become his Imagin in order to prevent Yuto from using his final Zeronos Card.
31. I Need You
2 de set. de 2007 25mA former suitor of Airi returns in hopes of winning her heart in the absence of the missing Yuto, leading to Yuto's younger self and even Ryutaros to respond.
32. O Último Cartão Zero Pro Trem!
9 de set. de 2007 25mAs Den-O has trouble dealing with the Anthopper Imagin, Yuto contemplates the need for the final Zeronos card and the permanent damage that will occur if finally used.
33. A Pequena Hana Causa Problemas no Tempo
16 de set. de 2007 25mThe DenLiner crew discover an anomaly associated with the missing future as Hana suddenly transforms into a young girl.
34. O Pianista do Intervalo do Tempo
23 de set. de 2007 25mRyotaro works to try and figure out the mystery of the wandering piano player and what his true wish is before his Imagin can complete its desire.
35. O Trágico Retorno dos Cartões Zero
30 de set. de 2007 25mFearful of Yuto's fate knowing of the truth of what happens to those who aren't remembered, Ryotaro decides to try to become strong enough to protect him and time.
36. Sem Possuir, Sem se Afastar, Corte do Trem!
7 de out. de 2007 25mAs Ryotaro's dread on Yuto's fate is furthered with him becoming Zeronos again, he and the Imagin try to figure a way for him to transform in the past due to the mysterious future line throwing off their synchronization.
37. Eu tô Fazendo Essa Cara, né?
14 de out. de 2007 25mRyutaros finds himself conflicted when his boss arrives to check on his progress, while he continues to feel the anger of trying to win Airi from Yuto.
38. O Rei dos Trens Dentro do Trem
21 de out. de 2007 25mWith the DenLiner running amuck throughout time, the DenLiner crew must figure a way to save the trains while dealing with Ryutaros' feelings after being manipulated by Kai.
39. E o Rider Também Desaparece
28 de out. de 2007 25mWhile Ryotaro tries to figure out the true purpose of Yuto's interactions with both present and past actions, Kai decides to experiment in eliminating Zeronos in the past.
40. Change Imagin World
11 de nov. de 2007 25mWith the people of the world altered from Yuto's removal from time, Ryotaro tries to figure out how to bring him back while dealing with Kai's manipulations.
41. O Incidente dos Doces
18 de nov. de 2007 25mShocked by his actions in the world without Yuto, Deneb tries his hardest to create connections so that his partner will not disappear with the usage of his Zeronos cards.
42. Renovação da Memória
25 de nov. de 2007 25mDiscovering that the female contract holder's wish was for Yuto himself, Deneb continues to try and make things memorable in hopes of helping his partner make true lasting memories.
43. Alguma Coisa Faltando
2 de dez. de 2007 25mWith the realization that the defeat of Kai may mean the departure of the Imagin, Ryotaro begins to try and prove that he can fight on his own without any assistance.
44. Uma Ação Única Definida
9 de dez. de 2007 25mWith Ryotaro continuing to deny the help of the Imagin out of fear of losing them, Momotaros decides to take a stand while the others deal with the stowaway Imagin in the King Terminal.
45. O Dia em Branco É Revivido
16 de dez. de 2007 25mRyotaro tries to find a way to travel back to the day his sister lost her memory, in hopes that it would reveal the full truth regarding what happened to her and to her fiance Sakurai.
46. Agora o Amor e a Lógica se Revelam
23 de dez. de 2007 25mWith the shocking revelation of what really happened the day Sakurai disappeared with Airi's memory, Ryotaro must piece together how it connects to his broken memory as the truth regarding the key to the Junction Point is revealed.
47. O Meu Fim Vai te Fazer Chorar
6 de jan. de 2008 25mWhen Kai begins a multi-tier attack in order to eliminate Airi, both Ryotaro and Yuuto try to stop him, with a Imagin deciding to help in trying to make sure that the past and future is protected...
48. Despedidas Opostas
13 de jan. de 2008 25mOn their way back to stop Kai from killing Airi, Urataros takes over the DenLiner with several other Imagin, dumping Ryotaro at the moment where his missing memory is revealed!
49. O Clímax Continuará Por Toda a Parte
20 de jan. de 2008 25mRyotaro returns to the present to confront Kai and bring an end to his mad reign of terror, even if it means an end to all Imagin, including Momotaros and his allies!