What to watch on TV this week: Young Sherlock, DTF St Louis, Marshals, Epstein Files

Guy Ritchie directs “Young Sherlock,” an eight-episode Prime Video series starring Hero Fiennes Tiffin as a 19-year-old Sherlock Holmes at Oxford University, where he solves his first major mystery. The cast includes Donal Finn as a young Moriarty, Zine Tseng as a Chinese princess, and Colin Firth as Sir Bucephalus Hodge. Meanwhile, “DTF St Louis,” streaming on Max, features David Harbour navigating a messy love triangle after opening his marriage through a dating app, while “Diabolical: The Epstein Files” exposes high-profile names linked to Jeffrey Epstein’s scandal. Additionally, “Marshals: A Yellowstone Story” on Paramount Plus follows Kayce Dutton’s return to help U.S. marshals, and “The Hospital: In The Deep End” on SBS showcases celebrities experiencing hospital life firsthand.

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