How ‘Young Sherlock’ Reheats the Legendary Sherlock-Moriarty Rivalry — With a Twist

'Young Sherlock': Dónal Finn & Hero Fiennes Tiffin on Reinventing Holmes & Moriarty How the new series adds a new layer of depth to the evolving relationship — stars Hero Fiennes Tiffin and Donal Finn explain. Contact advertising@TVinsider.com to advertise with TV Insider, the leading publisher of TV news and guidance. Copyright © 2026 TV Insider update subscription preferences | view this email in browser | unsubscribe