• ‘Sherlock’ Season 5, episode 1 expected air date, spoilers: When will ‘Sherlock’ return with new episodes?

‘Sherlock’ Season 5, episode 1 expected air date, spoilers: When will ‘Sherlock’ return with new episodes? (Photo : YouTube/BBC)

A new villain is coming in the second installment making the current season of "Sherlock" darker. Toby Jones plays the new villain in "The Lying Detective." You can watch "Sherlock" Season 4, episode 2 online via live stream, check out the links below.

Warning: This article contains spoilers.

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"Sherlock" Season 4, episode 2 spoilers roundup

It is time Sherlock faces his most chilling enemy in the form of Culverton Smith in episode 2.

According to Martin Freeman (Dr. John Watson), Smith is described as "the worst person in London," and "like he is a horrible human being."

Meanwhile, showrunner Steven Moffat said in an interview with EW that nobody is safe in episode 2 of this season. He added that the second installment is darker as well as filled with humor.

"Anything can happen to anyone. I think it's safe to say we couldn't do Sherlock Holmes and Dr. Watson without Holmes and Watson. But nobody's safe and consequences are everywhere and there's some emotionally grueling stuff coming. There's proper humor too. We showed episode 2 to some people and though it's the darkest one we've ever done there were still people laughing," showrunner Steven Moffat said.

"Sherlock" Season 4, Episode 2 live streaming, where to watch online

Watch "Sherlock" Season 4, episode 2 online here for the audience in the U.K. at 8:30 p.m. GMT and here in the U.S. at 3:30 p.m. EST. Also, you can watch episode 2 on PBS (U.S.) and BBC One (U.K.) on TV.

Stay tuned for "Sherlock" Season 4, episode 3 finale promo and spoilers. Share your views in the section below.