The latest installment of the popular anime series, “Mechanical Marie,” took a dramatic turn in Episode 11, titled “Marie oubliée” (Marie Forgotten), leaving fans reeling as protagonist Arthur Louis Zetes suffers from amnesia, losing all memories specifically related to Marie. This pivotal episode, which aired on December 14, 2025, escalates the emotional stakes of the burgeoning romance, forcing Marie to confront the consequences of her hidden identity and the painful truth of her growing feelings for Arthur.
The World of “Mechanical Marie”: A Deceptive Romance
“Mechanical Marie,” originally a manga series by Aki Akimoto, has captivated audiences with its unique blend of romantic comedy and action. The story centers on Marie, a former genius martial artist who, to hide her human identity, works undercover as a “mechanical maid” in the mansion of Arthur Louis Zetes. Arthur, the heir to a powerful conglomerate, harbors a deep disdain for humans. Marie’s naturally expressionless face aids her in maintaining the facade of a robot while secretly protecting Arthur from a constant barrage of assassins. The series explores the thrilling and often comedic tension as Arthur, despite his anti-human sentiments, begins to fall for his “perfect” maid, pushing the boundaries of their master-servant relationship and threatening to expose Marie’s deadly secret.
Episode 11: Marie oubliée — A Twist of Fate
Episode 11 propels the narrative into a new emotional landscape, challenging the foundational lies of Marie and Arthur’s relationship.
The Aftermath of Chaos and an Unexpected Encounter
Following the intense events at an amusement park, a fatigued Marie and Arthur find themselves in an unexpected and intimate encounter in the bathroom. The tension is palpable as they navigate the close quarters, with Marie fearing the discovery of her true human nature, which she has carefully concealed by claiming mechanical limitations that prevent her from getting wet. Unbeknownst to Marie, Arthur had already begun to suspect her humanity.
Arthur’s Sudden Collapse and a Grave Diagnosis
Amidst this charged atmosphere, Arthur suddenly collapses and loses consciousness. The cause is soon revealed to be poison, administered by an assassin dispatched by his manipulative stepbrother, Maynard. While medical assessments confirm that Arthur’s life is not in immediate danger, and his physical health appears to rebound quickly, a far more devastating side effect emerges.
The Heartbreaking Amnesia
Upon waking, Arthur exhibits a profound and selective amnesia: he has completely lost all memories pertaining to Marie and their interactions over the past six months. This memory wipe tragically erases all the positive character development and the bonds he had formed with Marie and his school friends, reverting him to his former distrustful and solitary self. Roy, Arthur’s aide, views this amnesia as a fortuitous turn, believing it will help preserve Marie’s secret and prevent Arthur from ever discovering the truth. He sternly instructs Marie not to attempt to restore Arthur’s memories.
Marie’s Decisive Action
However, Marie, deeply affected by Arthur’s memory loss and the emotional toll of maintaining her deception, reaches her breaking point. Weary of the constant lies and the pain they inflict, she makes a resolute decision. Rather than attempting to revive Arthur’s memories and continue their strained charade, Marie chooses to take matters into her own hands. Disguised as one of Maynard’s manservants, she resolves to confront Arthur’s stepbrother directly, aiming to eliminate the source of the assassination plots and, by extension, free herself from the web of lies.
Thematic Implications and Future Outlook
“Marie oubliée” is a crucial episode that underscores the central themes of truth, deception, and the sacrifices made in the name of love. The amnesia plotline, while a common trope, is utilized here to explore the deep emotional impact of Marie’s hidden identity on both herself and Arthur. It highlights Marie’s evolving feelings, demonstrating her shift from merely protecting Arthur as a duty to genuinely loving him, and the immense pressure this places on her. The episode sets the stage for a dramatic climax, with Marie taking an unprecedented proactive step that could change the course of their relationship forever, potentially leading to the long-awaited revelation of her true identity.
Where to Watch “Mechanical Marie” Episode 11
“Mechanical Marie” Episode 11 premiered on Sunday, December 14, 2025, at 10:00 PM JST. Viewers can stream the episode with English subtitles on platforms such as Crunchyroll and Ani-One Asia’s YouTube channel. The series is produced by Zero-G and Liber, with Junji Nishimura directing and Mariko Kunisawa handling series composition.









