'Sherlock Season 4' Release Date, News & Update: Holmes, Moriarty Reunion Heavily Teased In 'Strange' S4? Sherrinford Announced With Toby Jones Who Divides Benedict Cumberbatch, Friends?

While the "Sherlock" Season 4 teaser at the 2016 San Diego Comic Con heavily alluded to Holmes (Benedict Cumberbatch) and James Moriarty (Andrew Scott) reuniting, involvement by third brother Sherrinford was announced. The "Sherlock" series, which Benedict Cumberbatch labels strange, will also bring in Toby Jones to cause division among Holmes and his friends in Season 4.

Sherrinford, Third Holmes Brother Revealed For 'Sherlock Season 4?'

Just when "Sherlock" fans have all but given up on the third Holmes brother showing up for S4, Deadline reports that co-writers Steven Moffat and Mark Gatis dropped the name Sherrinford. For a little while, Tom Hiddleston became the buzzword for Sherrinfold Holmes at "Sherlock" Season 4.

Redbeard, Sherrinford Link Referenced In 'Sherlock' Season 4?

Parent Herald cites reports that Benedict Cumberbatch was seen with a bloodhound while filming "Sherlock" Season 4 hints heavily at Redbeard (third Holmes brother, i.e., Sherrinford) link. A Quora theory cited in the report says Redbeard may be a code for Sherrinford, which Mycroft (Mark Gatis) and/or Sherlock may have given the third Holmes brother.

However Sherrinford resurfaces and why the third Holmes brother should be woven into "Sherlock Season 4" the 2016 San Diego Comic Con trailer showed Benedict Cumberbatch speaking about knowing the beginning of the S4 mysteries. The "Sherlock Season 4" trailer interestingly cut to Mycroft Holmes.

Who could have been at the beginning with Mycroft and Sherlock but the third Holmes brother, Sherrinford? Now that the underpinning arc culminates, who better to join Holmes and Mycroft in "Sherlock Season 4" but Sherrinford?

Moriarty, Culverton Smith In 'Sherlock' Season 4 With Sherrinford?

The 2016 San Diego Comic Con trailer noticeably veils someone who is supposed to know Sherlock Holmes' every move. While this "Sherlock Season 4" tease may mean Sherrinford, the reference may be a Moriarty link rather than the actual third Holmes brother.

Meanwhile, CNET cites Toby Jones in action as villain Culverton Smith in "Sherlock Season 4." The presence of Toby Jones as Culverton Smith in "Sherlock Season 4" is expected to trigger the isolation of Holmes from family and friends.

BBC is expected to air the "Sherlock Season 4" premiere in January 2017. Who do you think will be Sherrinford, the third Holmes brother and how are Culverton Smith and James Moriarty connected in the "Sherlock" series?