Why Sherlock Fans Thought There Was A Secret Season 4 Episode

Sherlock is one of the most popular and successful adaptations of the famous detective Sherlock Holmes, but unfortunately the last season was disappointing leading to the belief that there was a secret episode of season 4. Created by Sir Arthur Conan Doyle, Sherlock Holmes is a one of the most beloved characters in literature, and his popularity is such that he and his business have been adapted to all types of media for over a century. The rights to the character have allowed different artists to make various changes to the Great Detective and his stories, and among those who have made significant changes to them and succeeded in doing so is the BBC’s TV series Sherlock.


Created by Mark Gatiss and Steven Moffat, Sherlock brought the famous detective and most popular characters from Conan Doyle’s stories to modern-day London, adapting some of his best-known cases to the modern city and its technological advancements. Sherlock (played by Benedict Cumberbatch) was joined by his best friend and partner John Watson (Martin Freeman), and the series also featured notable characters such as Sherlock’s nemesis Jim Moriarty (Andrew Scott) and his Scotland Yard ally Greg Lestrade (Rupert Graves). Sherlock also saw the detective’s fake death at the end of season 2, after which the series was no longer the same.

Related: How Sherlock Faked His Death in the Reichenbach Trap

Sherlock was brought back in Season 3, and his and John’s adventures continued in a fourth and final season, widely regarded as the worst of the series. Sherlock Season 4 introduced a third Holmes brother, Eurus (Sian Brooke), presenting stories that were hard to follow and believe, leaving viewers disappointed. This disappointing last season of Sherlock gave way to a “myth” about a secret season 4 episode, leading to wild theories about how the BBC kept it a secret and how the episode would be released.

Will there be more episodes of Sherlock?

Theories about a secret fourth episode of Sherlock season 4 started after the second episode, “The Lying Detective”, aired. Some fans believed the line “there must be something comforting about the number three. Everyone always gives up after threeCulverton Smith (Toby Jones) said was a secret tease of a fourth episode that was to be released as a final surprise to fans of the series. Others believed that SherlockThe finale, “The Final Problem”, was all a dream of a comatose John after he was shot by Eurus at the end of “The Lying Detective”, so it was a “fake” ending and the real final episode would be released later . Speculation about a secret fourth episode of Sherlock‘s final season went so far as to give way to a theory that the BBC One series claimed apple orchard was the mystery episode. Not surprising, apple orchard was a real TV show and a fourth episode of Sherlock season 4 was never released, so “The Final Problem” was the real conclusion of the series (and in it it was revealed that John had been shot with a sedative, so the episode was not created by him).

rumors about Sherlock Season 5 started in 2017, shortly after Season 4 aired, but a new season was not possible at that time due to Cumberbatch and Freeman’s busy schedules. At the time, Gatiss said season 5 could last longer than two years, and in 2021 Cumberbatch said he would return to 221B Baker Street, but the main cast was too busy. The latest “update” on a possible fifth season of Sherlock happened in April 2022, with Moffat saying he’s still open to bringing the Great Detective back, but again, it all depends on Cumberbatch and Freeman’s availability. Sherlockhas no “secret” final episode, nor are there any plans for a revival/fifth season, so as disappointing as it was, “The Final Problem” is the real ending to the series.

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