所有分集

喜歡鐵路的初中 2 年級學生·大成大成，為了尋求失蹤的姐姐伊奈的線索而轉入進開學園。 與九頭龍良太、青梅舞相遇，在兩人所屬的鐵道部心動的時候，街上出現了時隔 10 年的不明之敵。 偶然大成作為進化先鋒駕駛員有高的適應性值的事判明，被迫戰鬥的決斷。

乘坐“進化先鋒 E5 隼號”，在第一次戰鬥中看到的大成。雖然因為不習慣的駕駛而陷入苦戰，但在高輪的指示下完成了載具合體，總算成功擊破了不明之敵。 但是，大成覺得小時候沒能保護和伊奈一起參觀 E5 系陸送的回憶的人行天橋，大成感到了責任……。

正式成為鐵道部一員的大成，讓高輪帶著 ERDA，知道了 SHINKALION 被開發的理由，還有失蹤的姐姐伊奈曾經與 SHINKALION 的開發有關。 在這種情況下，不明之敵這次出現在良太的故鄉敦賀。想用自己的手守護故鄉的良太，不過，他的適應值不足……

為了防備不明之敵的進一步出現，大成留在敦賀，享受著曾經和姐姐一起訪問過的鐵路資料館。 另一方面，良太為了提高適應性值，一個人進行了訓練。 小時候，被 SHINKALION 救了命，抱有強烈憧憬的良太。雖然抱著無法用自己的手守護敦賀的遺憾，但還是隱藏了真心……

為了應對更加不明之敵的襲擊，ERDA 一直在尋找“SHINKALION E6 小町號”的候補駕駛員。 另一方面，大成和良太在上課的發表中和茜組成了小組，但很快就變得零亂了。在學校表現出冷酷自信的樣子的茜，有著某種煩惱……

被捲入不明之敵出現時的事故而受傷的茜，檢查的結果，作為 SHINKALION 駕駛員有著很高的適應性。 ERDA 成員期待著作為還沒有找到的“SHINKALION E6 小町號”的駕駛員迎接，但是茜拒絕了邀請。大成和良太拼命地呼籲一起戰鬥……

擊破出現在名古屋三河安城之間的不明之敵的是“SHINKALION N700S 希望號”。那個駕駛員竟然比大成他們小一歲，是 ERDA 東海本部所屬的魚虎天。 大成等人為了與東海本部的聯合訓練，遠征名古屋。與適應性值也出類拔萃被稱為高貴的「天才駕駛員」的天，用模擬進行聯合訓練，不過，天好像沒拿出認真…

適應性值大幅下降而消失的天。因為那個原因龍太和茜發生了口角爭執。在天的頭上閃過的是一年前和朋友之間發生的某件事。天不拿出真心的理由，好像和那個有關係…。 看到大成他們一邊互相爭論一邊互相信賴一起戰鬥的樣子，天採取的行動是……

Although ERDA's server is accessed by Ina's account, tracking fails. Taisei consults Takanawa, saying that he is concerned that the places Unknown has appeared so far are all places of his memories with Ina. Meanwhile, Shion Goryokaku, the driver of "Shinkalion H5 Hayabusa", is found, and everyone is happy to have a new driver joining them, but Shion seems to be hiding something.

Taisei and the others head to Hakodate to meet Shion, who says, "There's something I want to discuss in person." Mai and Vina are eager to support the romance between Shion and Yuki, but when they arrive at Shin-Hakodate-Hokuto Station, a shocking truth awaits them. Shion, who is unable to meet Yuki due to certain circumstances, asks Akane to pass on a message to her so as not to hurt the only friend she has made since attending school in the Metaverse.

The "three-person four-legged relay" is a traditional competition at Shinkai Academy's sports festival. Taisei, Akane, and Ryota will be participating as representatives of their class. Cheered on by their friends, the three practice hard, but Taisei is distracted by the mysterious voice he heard in Hakodate and can't seem to concentrate. Meanwhile, the Black Shinkansen appears between Ueno and Ōmiya. ERDA finally succeeds in capturing the Black Shinkansen, but...

The voice coming from the Black Shinkansen, "Phantom Shinkalion", belongs to the missing Ina. Taisei is so shocked that his Aptitude Value drops and he is no longer able to ride the Shinkalion. While Akane, Ryota, Ten, and Shion set off to various places to defeat the Unknowns that have appeared across the country, Taisei, whose Aptitude Value has not yet recovered, traps himself inside the Metaverse. Then, someone appears before him.

Ina declares war on ERDA, demanding unconditional surrender. ERDA considers Ina to be an enemy for leading the Unknown, and their hostility becomes unwavering. Taisei sees how much Ina has changed, but he still can't give up his desire to believe in her. In order to stop Ina, he decides to ride on Shinkalion and fight again.

After Ina regains consciousness, ERDA interrogates her. Takanawa speculates that whoever retrieved the "Phantom Shinkalion" was the one who brainwashed Ina. Meanwhile, at Shinkai Academy, Taisei and the others are shocked to hear that the Railway Club may be disbanded. Just then, Takanawa receives the notification that a candidate for the driver of the "Shinkalion E8 Tsubasa" has been found.

After finding out that Ganma is the driver candidate for “Shinkalion E8 Tsubasa”, Takanawa tries to recruit him, but is flatly refused. Meanwhile, the Railway Club's survival is in jeopardy. Taisei and his friends try to persuade Ganma, who is the student council president, to keep it alive, but Ganma says, “If you want to protect it, you should have the power to match that.” These words seem to have something to do with his past.

Ganma, who has become a driver, joins the Railway Club. Hearing that the Railway Club members will be eating lunch together, Ganma comes to the club room, but Akane is not there. Meanwhile, at ERDA, Ina develops the "SRG System" to combine the three units, "E5 Hayabusa", "E6 Komachi", and "E7 Kagayaki". The condition for success is that the "SRG Values" of the three people match. So the three immediately start a simulation, but...

While Akane, whose SRG Value ​​does not match, is filled with guilt, Taisei and Ryota are also worried about Akane, who has been going to the Track-and-field Club more often. Furthermore, when they hear Akane say that he is leaning more towards track and field, the relationship between the three becomes strained. Meanwhile, a mysterious enemy suddenly appears - "Hades Shinkalion". Taisei and his friends are forced to struggle against its overwhelming strength, and try out the Three Car Combination as their last hope...

Akane still can't match Taisei and Ryota's SRG Value. While he ponders the reason, Kakeru asks him to officially join the Track-and-field Club. Taisei and Ryota, who have been watching secretly, decide to send Akane off, but the Hades Shinkalion appears again. Ganma, Ten, and Shion, who happen to be present at ERDA, immediately fight back, but...

Taisei meets a person who calls himself "Delta" in the Metaverse and is introduced to Ido, Delta's friend and promotional AI for the SCMaglev and Railway Park. Delta is someone Taisei admires, as he is building his ideal railway in his own Metaverse. That same night, the members of the Railway Club visit the summer festival. The drivers enjoy the food stalls, but Taisei struggles to make a good cut. Meanwhile, the Unknown attacks again….

When Taisei and his friends arrive at Kokura Station in Kyushu, they are greeted by Tsukumo Umikaze, the driver of Shinkalion N700S Kamome. Taisei and his friends immediately begin simulation training. However, during the training, Tsukumo's Vehicle Combination fails. The cause is not Tsukumo, but the new operators Katsuki and Adachi. Ochiai from the Ōmiya Command Office is appointed to be in charge of training these two.

Tsukumo, Taisei and others board a high-speed boat in order to send Kai and Suzu to their hometown, Iojima. While confronting the Unknown that suddenly appears, Shinkalion N700S Kamome successfully Vehicle Combines with the ERDA Ferry, but is forced to struggle in the battle at sea. When Taisei and his friends ask Tsukumo why, it seems that he is traumatized by the sea.