Sherlock Holmes's impact on popular culture extends beyond the world of literature and adaptations. The character has influenced countless other works of fiction, from TV shows like "House M.D." to films like "The Prestige." The character's iconic status has also led to numerous parodies, spoofs, and references in advertising and media.

" functions as a definitive "curtain call," leaving the characters as the "legends" they were always meant to be—two men in a scruffy flat solving crimes forever.

the third and final episode of the fourth series of the British crime drama . It originally aired on January 15, 2017. Plot Summary

: Sherlock, John, and Mycroft infiltrate the maximum-security island prison Sherrinford to confront Eurus. They discover she has effectively taken over the facility using "mind-reprogramming" manipulation.

: The rapid transformation of Eurus from an omnipotent supervillain to a child needing a hug was seen by some as unearned and rushed. III. The Legacy of the "Final" Bow

Sherlock Season 4, Episode 3: "The Final Problem" – The Ultimate Viewing Guide

: The story centers on the secret third Holmes sibling, Eurus, whose intellect far surpasses both Sherlock and Mycroft. She has spent years in the high-security prison-asylum Sherrinford after killing Sherlock’s childhood best friend, Victor Trevor.