Episode 1
A 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!
Episode 2
Ryotaro 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.
Episode 3
Momotaros decides to use Ryotaro's body without his permission, leading to him to become the bodyguard of a minor criminal in need of cash.
Episode 4
Angry with Momotaros for using his body for the sake of money, Ryotaro decides to handle helping Yamagoshi without summoning the Imagin for help!
Episode 5
A suave but lying Imagin suddenly takes over Ryotaro's body, angering Momotaros as he fights to assert his dominance within the Singularity Point!
Episode 6
With 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.
Episode 7
Momotaros 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.
Episode 8
Both 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.
Episode 9
Ryotaro and Hana pursue two Imagin attacking martial artists, one to eliminate rivals while another only to prove its own strength against other opponents.
Episode 10
Ryotaro 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.
Episode 11
Ryotaro becomes the bodyguard of an adoring idol who suddenly finds herself under attack, both in a plot of jealousy and an Imagin.
Episode 12
After 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!
Episode 13
Ryotaro suddenly becomes possessed by an evil spirit who kicks out all the other Imagin and deals with threats in its own destructive way!
Episode 14
Ryutaros 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.
Episode 15
Ryotaro is taken hostage by a wannabe criminal in a bathhouse as an aquatic Imagin starts running amuck.
Episode 16
As 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.
Episode 17
Ryotaro 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.
Episode 18
After 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.
Episode 19
Yuto 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.
Episode 20
Yuto confronts Ryotaro about his duty as Den-O while both try to stop the Jelly Imagin from causing chaos.
Episode 21
Ryutaros grows jealous of Yuto due to his connection to Airi, making him take drastic action in order to take him down!
Episode 22
The fight between Den-O and Zeronos continues as they fire shot for shot, until Hana, once, again, tries to intervene.
Episode 23
A bizarre Imagin boards the DenLiner, pushing around the other Imagin in order to be pampered and to protect his newborn host!
Episode 24
After 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.
Episode 25
Ryotaro continues to try and gain the trust of Yuto, even as he's being dragged to an important climax!
Episode 26
Ryotaro 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!
Episode 27
Two 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!
Episode 28
After 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!
Episode 29
In 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.
Episode 30
Deneb approaches Ryotaro in hopes of having him become his Imagin in order to prevent Yuto from using his final Zeronos Card.
Episode 31
A 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.
Episode 32
As 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.
Episode 33
The DenLiner crew discover an anomaly associated with the missing future as Hana suddenly transforms into a young girl.
Episode 34
Ryotaro 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.
Episode 35
Fearful 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.
Episode 36
As 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.
Episode 37
Ryutaros 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.
Episode 38
With 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.
Episode 39
While 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.
Episode 40
With 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.
Episode 41
Shocked 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.
Episode 42
Discovering 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.
Episode 43
With 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.
Episode 44
With 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.
Episode 45
Ryotaro 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.
Episode 46
With 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.
Episode 47
When 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...
Episode 48
On 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!
Episode 49
Ryotaro 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!
