Sherlock Season 4 Premiere

Even though the first teaser of the show's new season came out in July, this latest one gave us that one piece of new information that obviously sent fans into a frenzy - the premiere date, which turned out to be earlier than anticipated

"It might be the end of an era. It feels like the end of an era, to be honest. It goes to a place where it will be pretty hard to follow on immediately," Mr Cumberbatch said

Even though the first teaser of the show's new season came out in July, this latest one gave us that one piece of new information that obviously sent fans into a frenzy - the premiere date, which turned out to be earlier than anticipated

"It might be the end of an era. It feels like the end of an era, to be honest. It goes to a place where it will be pretty hard to follow on immediately," Mr Cumberbatch said