Netflix just dropped an official teaser trailer and first look photos for The Irregulars, a new horror series based on the stories of Sir Arthur Conan Doyle.

Netflix shared the first trailer for The Irregulars, as well as first look photos of the cast, on the streaming service's official Twitter and YouTube accounts. Featuring tarot cards, mysterious blue light, a murder of crows, an actual "demonic" murder and 221B Baker Street, the trailer teases a "darkness" that has descended upon London. Now, "all hope rests in these unlikely few." The voiceover continues: "You know nothing of what it is to be afraid." The Irregulars will start streaming on Netflix March 26, 2021.

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Based on the stories of Sherlock Holmes author Sir Arthur Conan Doyle, the Baker Street Irregulars first appeared in A Study in Scarlet in 1887 as a ragtag gang of young boys employed by the infamous sleuth and served as his intelligence agents. The Irregulars, created by Tom Bidwell, reimagines these boys as an older, diverse group of teenagers. The show will focus mainly on the teens as they try to stop a dark supernatural force threatening the city of London.

Created by Tom Bidwell, The Irregulars stars Thaddea Graham as Bea and Darci Shaw as her sister Jessie; Jojo Macari as Billy, McKell David as Spike, Harrison Osterfield as Leopold, Royce Pierreson as Dr. Watson and Henry Lloyd-Hughes as Sherlock Holmes. The Irregulars starts streaming on Netflix March 26.

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Source: Netflix, Twitter