TV series
It's time for crime to revolutionize the world!
In the late 19th century, the British Empire nobility reigns while its working class suffers at their hands. Sympathetic to their plight, William James Moriarty wants to topple it all. Frustrated by the systemic inequity, Moriarty strategizes to fix the entire nation. Not even consulting detective Sherlock Holmes can stand in his way. It’s time for crime to revolutionize the world!
Streaming, rental and purchase options
Checked Sep 1, 2026
Moriarty the Patriot is available to stream on Crunchyroll Premium and Crunchyroll Premium (Via Amazon Prime) in United States. You can also buy it from Amazon and Apple TV. Use the direct links below to open the provider.
In the late 19th century, the British Empire nobility reigns while its working class suffers at their hands. Sympathetic to their plight, William James Moriarty wants to topple it all. Frustrated by the systemic inequity, Moriarty strategizes to fix the entire nation. Not even consulting detective Sherlock Holmes can stand in his way. It’s time for crime to revolutionize the world!
Choose an episode, then use the watch options above for the show.
Episode 1
A rash of abductions of young boys that end up brutally murdered is plaguing London, and police are powerless to stop it. When William Moriarty discovers a clue linking all the victims, he and his brothers take an interest in the case.
Directed by Kazuya NomuraWritten by Go ZappaGuest stars Masaki Terasoma, Nobuo Tobita, Reina Aoyama, Hana Sato, Shinya Takahashi, Wataru Tsuyuzaki, Kenyu Horiuchi, Natsumi Fujiwara
Episode 2
In 1866, a brilliant young orphan and his ailing younger brother are taken in by a charitable aid organization, where they catch the attention of the son of an earl, who is discontent with Britain’s class system.
Directed by Kazuya Nomura, Daiki KatoWritten by Go ZappaGuest stars Tomo Muranaka, Yoji Ueda, Tsuguo Mogami, Shoko Yuzuki, Yoshiaki Hasegawa, Motoki Sakuma, Kouichi Souma, Taito Ban
Episode 3
Albert invites the brothers to come live at the Moriarty’s estate, but the pair are not warmly welcomed by the other members of the household. Albert grows increasingly disturbed by his family’s intolerance, and resorts to drastic measures.
Directed by Shingo Uchida, Kazuya NomuraWritten by Go ZappaGuest stars Tomo Muranaka, Yoji Ueda, Tsuguo Mogami, Shoko Yuzuki, Shizuka Ishigami, Nao Toyama
Episode 4
William begins teaching at a university, and is invited to dinner at the home of the Viscount of Belfor. He and his brothers receive a tour of the viscount’s well-kept conservatory, but are taken aback by what they hear of the gardener and his wife.
Directed by Michiru ItabisashiWritten by Go ZappaGuest stars Wataru Hatano, Umeka Shoji, Mitsuaki Hoshino, Sayuri Sadaoka, Motoki Sakuma, Takeo Otsuka, Yuuki Shin
Episode 5
William learns that Lucian, one of his students at Durhnam University, hasn’t returned for three days. What’s more, the waitress Lucian had vowed to love throws herself from a bridge and dies. However, one of the university’s administrator assures William there’s nothing to worry about, but William disagrees and begins to investigate Lucian’s last movements.
Directed by Asami NakataniWritten by Go ZappaGuest stars Kisho Taniyama, Takeo Otsuka, Minami Tanaka, Yuuki Shin, Arisa Shida, Kazuya Saji, Akiha Matsui, Taito Ban
Episode 6
A commoner is chased down by a hunter and his dogs before being shot. The ocean liner Noahtic begins its maiden voyage and Count Blitz Enders, an openly arrogant noble, heavily criticizes that commoners are allowed aboard. Days previously, William shared his plan to slowly remake society by plunging London into an era of crime, all while committing murders designed to educate commoners in exactly how the nobility have been abusing them, starting with Blitz.
Directed by Kazuki YokoyamaWritten by Go ZappaGuest stars Tatsuhisa Suzuki, Hiroki Goto, Motoki Sakuma, Shinya Takahashi, Ikumi Hasegawa, Hana Sato, Emiri Suyama, Hazuki Ogino
Episode 7
Moriarty pretends to believe Blitz’s lie that he killed Thomas in self-defense and offers to cover up the crime.
Directed by Katsuya ShigeharaWritten by Go ZappaGuest stars Tatsuhisa Suzuki, Hiroki Goto, Manami Hanawa, Shinya Takahashi, Hazuki Ogino, Taito Ban, Shoya Ishige, Takayuki Nakatsukasa
Episode 8
Sherlock Holmes gets in trouble with his landlady Mrs. Hudson for not paying his rent. Holmes’ friend, Dr. Stamford, suggests Holmes get a flatmate and sends Dr. John Watson, whom Holmes deduces is a retired army doctor. Mrs. Hudson is impressed enough to allow Watson to become Holmes’ flatmate. Inspector Lestrade of Scotland Yard arrives and arrests Holmes for suspicion of murdering Count Drebber.
Directed by Shintaro ItogaWritten by Go ZappaGuest stars Satoru Ito, Tsuguo Mogami, Hideaki Tezuka, Kana Asumi, Fuminori Komatsu, Yuki Ono
Episode 9
Sherlock and John, searching for the true criminal who killed Count Drebber, set a trap for the criminal using the wedding ring they found at the murder scene. Sherlock is able to deduce who the real killer is, who offers Sherlock a strange deal.
Directed by Daiki KatoWritten by Go ZappaGuest stars Tsuguo Mogami, Hideaki Tezuka, Hana Sato, Yuki Sakakihara, Fuminori Komatsu
Episode 10
Sherlock is frustrated because he thinks there’s a mastermind behind the Noahtic and Drebber cases whose identity eludes him. Returning on a train after an unsatisfying investigation into another aristocrat’s death, he happens to meet William again.
Directed by Shintaro ItogaWritten by Go ZappaGuest stars Hideaki Tezuka, Hinata Tadokoro, Yukako Kiuchi, Shinya Hamazoe, Taito Ban, Kana Asumi, Fuminori Komatsu
Episode 11
With 48 minutes remaining before the train reaches the next station, Sherlock declares that William and he can find the murderer in time. Sherlock relies on the evidence at the scene, while William pursues a psychological profile of the killer.
Directed by Michiru ItabisashiWritten by Go ZappaGuest stars Kensuke Sato, Katsunori Okai, Shinya Hamazoe, Taito Ban, Seiyu Fujiwara, Fuminori Komatsu, Mie Sonozaki, Hiroki Yasumoto
Episode 12
Military Intelligence Service Director Mycroft orders Albert to recover classified papers that could rock the nation, and kill the woman who stole them. Sherlock is hired by the king of Bohemia to pursue Irene Adler, who threatens the king’s wedding plans.
Directed by Yoshitaka NagaokaWritten by Taku KishimotoGuest stars Taku Yashiro, Reina Kondo, Arisa Sakuraba, Tomomi Tanaka, Ayumi Mano, Yoko Hikasa, Kana Asumi, Hiroki Yasumoto
Episode 13
Following William’s plan, Albert invites Irene to a masquerade, where a game with the famed “Lord of Crime” as its theme is being played. Dressed as a man, Irene uses the game to contact Albert, pleading for her safety in return for the stolen papers.
Directed by Katsuya ShigeharaWritten by Taku KishimotoGuest stars Kanehira Yamamoto, Junichi Yanagita, Mei, Shinya Hamazoe, Hinata Tadokoro, Yuuki Sanpei, Kouichi Souma, Miho Hayashi
Episode 14
Despite Sherlock recognizing that Irene is dealing with the Lord of Crime, he sees her off. Irene negotiates with the Lord of Crime in an abandoned church, but before she can turn over the papers, Sherlock arrives, and makes a deal to keep Irene safe.
Directed by Haruo OkunoWritten by Taku KishimotoGuest stars Yann Le Gall, Ken Arto, Claire Barbou des Courieres, Hana Sato, Yoko Hikasa, Yuki Sakakihara, Kana Asumi, Hiroki Yasumoto
Episode 15
Receiving a new name, Bonde joins the Moriarty ranks, and is sent to retrieve the contents of a safe deposit box with Moran, Louis, and Fred. But when an unexpected bank heist spurs the others into spontaneous action, Bonde is left wondering what to do.
Directed by Daiki KatoWritten by Fuka IshiiGuest stars Shohei Kajikawa, Hinata Tadokoro, Seiyu Fujiwara, Taito Ban, Motoki Sakuma, Ikumi Hasegawa, Kazuhiro Yamaji, Yoko Hikasa
Episode 16
A series of murders is being carried out by someone claiming to be Jack the Ripper. In response, a vigilante group of the town's poor confronts Scotland Yard while William and the real Jack scramble to uncover the true culprit's aims and foil their plans.
Directed by Kazuki YokoyamaWritten by Sanaka KobayashiGuest stars Kazuhiro Yamaji, Kohsuke Toriumi, Taito Ban, Seiyu Fujiwara, Yoko Hikasa, Kenji Nojima, Fuminori Komatsu, Naoya Uchida
Episode 17
A culprit is arrested in the Jack the Ripper case which was solved by the Moriartys. Suspecting a frame-up by Arterton, Lestrade asks Sherlock for help in finding evidence that would prove it. Meanwhile, Paterson works to sneak Bonde inside the station.
Directed by Tazumi MukaiyamaWritten by Nagiko OharaGuest stars Kazuhiro Yamaji, Kohsuke Toriumi, Katsunori Okai, Hinata Tadokoro, Shinya Takahashi, Hana Sato, Taito Ban, Seiyu Fujiwara
Episode 18
William outshined the adults in knowledge and nerve while saving the orphanage where he was staying. Judicial records state that William lent a nobleman £600 in the spirit of a certain play. But when the contract is broken, William takes drastic measures.
Directed by Asami NakataniWritten by Yuki TakabayashiGuest stars Masaya Matsukaze, Shoko Yuzuki, Satoshi Taki, Shinya Takahashi, Motoki Sakuma, Ikumi Hasegawa, Arisa Kiyoto, Yoko Hikasa
Episode 19
Adam Whiteley, a young MP in the House of Commons working toward an equitable society, garners public support as a "White Knight." Milverton is hired by those opposed to Whiteley to oust him. William takes interest in Whiteley, and decides to test him.
Directed by Naoki MurataWritten by Yuki TakabayashiGuest stars Kenta Sasa, Shinnosuke Ogami, Motoki Sakuma, Hinata Tadokoro, Ikumi Hasegawa, Tokuyoshi Kawashima, Shunsuke Takeuchi, Ami Naito
Episode 20
Whiteley goes alone to deal with the House of Lords with the irrefutable proof obtained from Albert in hand, but finds Milverton, the king of blackmailers. Even as Whiteley negotiates with him, Milverton's devilish clutches close in on his dear brother.
Directed by Katsuya Shigehara, Chihiro KumanoWritten by Taku KishimotoGuest stars Yoko Hikasa, Tokuyoshi Kawashima, Shunsuke Takeuchi, Takaaki Torashima, Ami Naito, Shohei Kajikawa, Hana Sato, Takayuki Sakazume
Episode 21
John introduces Sherlock to Mary, his fiancée. A stunned Sherlock realizes that Mary has another concern. She produces six pearls, detailing their connection to her missing father. She asks Sherlock to look into the matter, but is holding something back.
Directed by Daiki KatoWritten by Taku KishimotoGuest stars Teruo Seki, Kouji Takeda, Yuuki Sanpei, Naoki Bando, Yuki Sakakihara, Mai Nakahara, Kana Asumi, Fuminori Komatsu
Episode 22
Milverton blackmails Mary, exploiting her dalliance in antigovernment activities as a student. Sherlock decides to sneak into Milverton's estate to steal his evidence, but even that act was anticipated. Sherlock finds that he is not the only trespasser.
Directed by Kazuya Nomura, Naoki MurataWritten by Taku KishimotoGuest stars Kenji Nojima, Takaaki Torashima, Yoshiaki Hasegawa, Mai Nakahara, Yuuki Sanpei, Kana Asumi
Episode 23
When William James Moriarty claims responsibility for being the Lord of Crime in all the papers, aristocratic condemnation and public anger falls upon the Moriartys. The final problem of the Moriarty Plan that William has concocted at long last begins.
Directed by Haruo OkunoWritten by Taku KishimotoGuest stars Kana Asumi, Fuminori Komatsu, Mie Sonozaki, Hiroshi Yanaka, Hana Sato, Katsunori Okai, Wataru Tsuyuzaki, Takaaki Torashima
Episode 24
William aims to complete his plan with his death, as Albert and the others each carry out their roles. Meanwhile, Sherlock deduces William's true reason for having him vanquish the Lord of Crime. Overlooking London, the pair face each other one last time.
Directed by Kazuya NomuraWritten by Taku KishimotoGuest stars Hiroki Yasumoto, Naoya Uchida, Tsuyoshi Kurosawa, Motoki Sakuma, Shinya Takahashi, Haruki Hongo, Tadashi Makino, Taito Ban
Episode information updated Sep 17, 2026
Soma SaitoWilliam James Moriarty (voice)
Takuya SatoAlbert James Moriarty (voice)
Chiaki KobayashiLouis James Moriarty (voice)
Makoto FurukawaSherlock Holmes (voice)
Satoshi HinoSebastian Moran (voice)
Yuto UemuraFred Porlock (voice)
Yuki OnoJohn H. Watson (voice)
Tsuguo MogamiSimon (voice)
Tokyo MXJapan
Production I.GJapan
Bandai Namco ArtsJapan
ShueishaJapan
MBSJapan
