‘Sherlock’ Season 4 Spoilers, News & Updates: Sherlock Has A New Dog? Major Cliffhanger Teased

"Sherlock" Season 4 is already done with its production for Block 1. Spoilers for the upcoming season of the BBC series hint that viewers will become "desperate" to see what happens next, as the show will end with a major cliffhanger.

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

"Sherlock" Season 4 spoilers hint that the upcoming season of the BBC drama will leave viewers wanting for more from Sherlock Holmes (Benedict Cumberbatch) and John Watson (Martin Freeman). According to Celeb Dirty Laundry, Steven Moffat teased during an interview that Series 4 will end with a major cliffhanger that will leave fans "desperate" for Season 5.

Apart from this, "Sherlock" Season 4 spoilers almost confirm that Mary Watson (Amanda Abbington) will die from childbirth in the upcoming season. The publication notes that Freeman has already hinted that his character will soon be a widower.

A character from Sir Arthur Conan Doyle's "The Read Headed League" will also be seen in "Sherlock" Season 4. According to the publication, Jabez Wilson will be a prominent character in the upcoming season.

There are also ongoing rumors that Moriarty (Andrew Scott) will be back in the upcoming season. Moffat, however, confirmed that Moriarty is dead, but several "Sherlock" Season 4 spoilers hint on the possibility that Moriarty will be back from the dead as a zombie.

Benedict Cumberbatch was also recently spotted filming next to a bloodhound. As most "Sherlock" fans know, Sherlock once had a childhood dog named Redbeard who was put down. Does this mean Sherlock will get himself a new furry companion?

In other news, Carter Matt reports that filming for Block 1 of "Sherlock" Series 4 is already done. Co-creator Mark Gatiss shared the update but it remains to be seen when the cast and crew will gather again for Block 2. "Sherlock" Season 4 is expected to premiere around Christmas on BBC.