‘Sherlock’ Season 4 Spoilers & Cast News: Tom Hiddleston Joins BBC Series As Benedict Cumberbatch Hints On Finale?

"Sherlock" Season 4 is believed to be the series finale for the BBC drama following Benedict Cumberbatch's recent statements. While the fate of the show remains unknown, many are wondering if Tom Hiddleston will play the role of Sherlock's third brother, Sherrinford.

This article contains spoilers. Read on if you want to learn more about the details of this story.

"Sherlock" Season 4 spoilers reveal that the upcoming season of the BBC series may be its last. According to Deadline, Benedict Cumberbatch recently hinted in an interview that the new season may serve as the series finale.

"It might be the end of an era," said Cumberbatch.

Cumberbatch explained that "Sherlock" Season 4 will brush up on a topic that will make it hard for the producers to give an immediate follow up. While Cumberbatch said that it does not confirm anything about the show, Season 4 is already complete as it is.

The publication notes that "Sherlock" Season 4 has not yet been renewed for Season 5 on BBC. However, fans said that the renewal may come only after Season 4 premiered on air.

If "Sherlock" Season 4 would, indeed, be the series finale, what better way to end it than with the addition of another great actor? Observer Culture notes that there have been a lot of talks that Tom Hiddleston will be playing the role of Sherlock's third brother, Sherrinford.

While "Sherlock" Season 4 cast news have not yet officially announced Hiddleston as an addition to the BBC series, the publication notes that there have been several hints on his casting. According to the outlet, series creator Mark Gatiss hinted on Hiddleston's casting during the Comic Con.

Gatiss also posted a photo alongside Taylor Swift's ex-boyfriend on his Twitter account. In the said photo, the "Sherlock" creator captioned "Blud," which is reportedly something that Holmes brothers say to each other.

Do you think "Sherlock" Season 4 will feature Tom Hiddleston? Share your thoughts in the comments section below!