第 1 季 共 25 集
播出时间：2022年4月16日
第 1 集 Goodbye, Summer Days
播出时间：2022年4月16日
Upon hearing of Ushio's death, Shinpei returns to his hometown of Wakayama City on Hitogashima and reunites with his childhood friend's family. The funeral goes smoothly, but under the surface something strange is brewing on the island.Ushio's younger sister Mio says she saw her sister's shadow few days before her death.Then both of them goes to a temple at the northern part of the island to find more about it but then something strange happens...
第 2 集 Shadows
播出时间：2022年4月23日
Shinpei learns more about shadows and finds out how they are made. He also finds that mio's life was in danger due to her own shadow who was constantly trying to get rid of her.Amidst all of this chaos Shinpei tries to unscroll the mysteries behind her childhood friend Ushio's death.
第 3 集 Drifting Ashore
播出时间：2022年4月30日
Shinpei, who was killed by Mio, the "shadow," repeats July 22 again. In order to find out the truth about the "shadow," Shinpei visits the Kobayakawa family, whose family disappeared the day after Ushio's funeral, and encounters the "shadow" of Shiori Kobayakawa, the girl who was the cause of Ushio's accident. Shinpei survived the encounter, but he was stuck and decided confided everything with Sou. On July 24, during the Summer Festival, Shinpei enjoys a brief moment of peace and tranquillity, but...
第 4 集 Jamais-vu
播出时间：2022年5月7日
On the night of the summer festival, a "shadow" of Ushio appears in front of Shinpei. Unlike the other "shadows," she acts as if she were Ushio himself before her death. Shinpei is confused, but he cannot hide his joy at the thought of talking with Ushio, whom he will never see again. Shinpei hides Ushio so that Mio and Sou, who are wary of the "shadow," do not find her, but Ushio is not happy because she wants to see her sister. Later, Mio, the "shadow," reappears in front of Shinpei, who goes to Hiruko to join Sou.
第 5 集 Maelstrom
播出时间：2022年5月14日
Shinpei is saved by a woman who was a passenger on the ferry. She identified herself as Ryunosuke Nagumo, a writer whom Shinpei admired, and said that she had come to rescue "Shinpei Ajiro". She also possessed a great deal of knowledge about "shadows". Meanwhile, a massacre by "shadows" was taking place at a summer festival. Shinpei goes to help, but his friends are killed one after another. Soon, the "shadow" swallows up everyone on the island.
第 6 集 Orbital Resonance
播出时间：2022年5月21日
July 22nd, the fourth time. Hizuru Minakata is the woman who met Shinpei on the ferry and told him the name "Ryunosuke Nagumo". Hitogashima was her hometown too, and she had returned home for the first time in 14 years in order to unravel a mysterious message left on her cell phone. Hizuru learns of the existence of "Shadows" and "Heine," and joins up with Ginjiro, a hunter, to discover that many of the islanders have been replaced by Shadows.
第 7 集 Deadly Enemy
播出时间：2022年5月28日
Hizuru reads the loop record compiled by Shinpei and determines that what is happening to him is true. She once had an experience that gave her reason to believe Shinpei's story. Although Hizuru refrains from saying much so as not to risk being revealed to the "shadows," she says that she will help Shinpei. Shinpei, Hizuru, and Ginjiro head to the Kobayakawa family to defeat the "shadows" of the Kobayakawa family. The three succeed in capturing Shiori's "shadow," but...
第 8 集 Memento
播出时间：2022年6月4日
Shinpei returns to the Kobune family as Hizuru and Ginjiro watch over him to defeat Mio's "shadow" that appeared in the first night. However, Ushio, who was not "supposed to be there" yet, appears. Ushio, like Shinpei, had looped back from the summer festival on the 24th. Surprised by the sudden turn of events, Shinpei tries to sort out the situation, but is suddenly and unexpectedly attacked by Mio's "shadow". Shinpei avoids being killed with the help of Ushio, but Ushio's arm is cut open instead.
第 9 集 My Flowing Tears
播出时间：2022年6月11日
The video left on the cell phone which Ushio left, they see Ushio and her Shadow together. The two Ushio's begin to talk about the events from the time they met to the time they left the video. Ushio is perplexed by Shadow Ushio, who does not doubt that she is the "real" Ushio, but they soon begin to cooperate in their search for the truth behind the "shadows". Ushio's "shadow" regains all her memories and powers after seeing the video, and tries to make Shinpei and his friends relive the time of Ushio's death.
第 10 集 Into the Darkness
播出时间：2022年6月18日
Shinpei learns the truth about Ushio's death.
第 11 集 Dinner Time
播出时间：2022年6月25日
Shinpei, Ushio, and Sou are surrounded by shadows. However, the shadows are only targeting Ushio.
第 12 集 Bloody Night
播出时间：2022年7月2日
Tokiko, the younger sister of Sou, says that she has been feeding dead people to Hiruko-sama, calling them "food". Hiruko-sama was Heine, a girl in kimono whom the "big shadow" who appeared at the Nittogashima Shrine on the day of the summer festival, had called her "Mother".
第 13 集 Friends
播出时间：2022年7月9日
The fifth time, on July 22. When Shinpei regains consciousness, it is at the same time that Hizuru becomes convinced that Shinpei is a time traveler. He tells Hizuru about his past experiences and she decides to trust Shinpei and work together with him.
第 14 集 To Be/Not to Be
播出时间：2022年7月16日
A series of events that occurred in the past reveal how Ryunosuke came to live in Hizuru’s mind. Shinpei and Ushio, who were in Hizuru’s memory, find themselves back before the raid on the Kobayakawa famil
第 15 集 Lights Camera Action
播出时间：2022年7月23日
Shinpei reunites with his friends in the gymnasium and is suddenly plunged into his seventh loop after he was sniped by a “shadow”. Shide arrives with a large number of shadows in tow. The all-out battle between the shadows and Shinpei and the others begins.
第 16 集 Original
播出时间：2022年7月30日
Shinpei and company were able to survive Shide's all-out attack. Mio proposes they try getting her Shadow on their side, and succeeds thanks to Ushio's powers. The group heads to the Hishigata Clinic for some answers, but it seemed empty—at least, at first...
第 17 集 Determination
播出时间：2022年8月6日
After hearing about Shide's true identity, the group rests for a moment at the clinic. The next morning, Shinpei and Ushio try to get rid of the "shadows" that lurk on the island as they follow the signs left by the "shadows".
第 18 集 Face to Face
播出时间：2022年8月13日
Shinpei arrives at the Shrine and visits the head priest, Karikiri. Shinpei shows Karikiri a photo from 70 years ago that shows someone looking the same as Karikiri does now. What story is behind this photo?
第 19 集 Made in Black
播出时间：2022年8月20日
Shinpei and the others lost Ushio. In the desperate situation, Karikiri and Heine show a new move. Mio and Hizuru, who learned of Ushio's death through a phone call from Shinpei, head to the meeting point designated by Shinpei. Karikiri is waiting for Mio, who goes with Sou. On the other hand, “Shinpei” was waiting for Hizuru, but...
第 20 集 All is (not) Lost.
播出时间：2022年8月27日
Hizuru and Karikiri engage in a fierce battle. Guil and Ros, controlled by Tokiko, also team up, and the battle gets even more intense. Meanwhile, Mio's "Shadow" and Shinpei are at another location with the other Karikiri.
第 21 集 Shinpei Ajiro's Longest Day
播出时间：2022年9月3日
Seido Hishigata appears before Shinpei, who is in despair over Hizuru's death. In the course of his conversation with Seido, Shinpei learned a new clue about Shide.
第 22 集 Return
播出时间：2022年9月10日
Holding the necklace left behind by Shadow Ushio, the "first Ushio" inherited all the memories. As Shinpei had planned, Ushio has made a complete comeback.
第 23 集 Everlasting Night
播出时间：2022年9月17日
Hiruko is still not defeated and a small part of her remains. Ushio and Shinpei's right eyes resonate. Shide, who was surely defeated, appears before their eyes again like an immortal.
第 24 集 Summertime Re-Rendering
播出时间：2022年9月24日
Shinpei has one last chance to erase Shide. With the world's fate hanging in balance and his body disintegrating, he prepares a shot.
第 25 集 [I'm Home]
播出时间：2022年10月1日
Shinpei returns to his hometown after he and Ushio both have a strange dream. As the island celebrates the summer festival, he is struck by a sense of joy and relief.
