"Sherlock" Season 4 will be airing its third and final episode titled "The Final Problem" in the days to come. While the BBC drama is filled with theories and speculations about the characters in the show, many fans could not help but wonder whether the current season is the series finale or whether a fifth season will still happen. Find out what Benedict Cumberbatch and Mark Gatiss have to say about the show's future.

This article contains spoilers. Continue reading if you wish to learn more about the story.

"Sherlock" Series 4 is believed to serve as the final season of the Benedict Cumberbatch and Martin Freeman-led drama on BBC. In a recent interview with Cumberbatch and series creator Mark Gatiss, it was revealed that the fate of the series depends on a lot of things, reports The Hollywood Reporter.

"It's up to all kinds of factors, scheduling and willingness to do it," Gatiss said. "We are just not sure."

Gatiss explained that months ago, he had high hopes that "Sherlock" Season 5 would happen; however, things have changed and he no longer expresses the same optimism as before. Cumberbatch also said that he would "love to revisit" the show, but it may take some time before they work on another season again.

Meanwhile, Screener TV lists some "Sherlock" Season 4 clues that fans and viewers may have missed during the latest episodes of the show. There have been speculations about Moriarty's appearance or how his game would help Sherlock with his battle with Culverton Smith.

The publication also notes that "Sherlock" Series 4 seems to have the overall theme of family, which Sherlock seems to neglect while he is keen on solving cases. There is also the growing mystery surrounding Mary's death, which many believe has been faked to save her family.

Do you think "Sherlock" Season 4 should be the last or should Benedict Cumberbatch return for Season 5? Let us know your thoughts in the comments section below!