Young Sherlock backdrop
Young Sherlock Season 1

Series 3

Mark and Sophie finally start a relationship while Mark struggles with commitment and awkward life choices, and Jeremy juggles romantic complications, jury duty, and chaotic schemes—all shown through their unfiltered inner thoughts.

20056 EpisodesComedy

Cast & Crew

David Mitchell

David Mitchell

Mark Corrigan

Robert Webb

Robert Webb

Jeremy Usborne

Episode Guide

Mark has a run-in with some muggers, who steal his precious blackberry - and put him off his stroke with Sophie as a result... Meanwhile, Jeremy faces a tricky dilemma over the love of his life and a potential threesome.