Watch Sherlock Season 4 Online
Watch Sherlock Season 4 full episodes online, free and paid options via our partners and affiliates.
Watch Sherlock Season 4 Episode 3
"The Final Problem"
Original Air Date:
On Sherlock Season 4 Episode 3, long buried secrets finally catch up with the Holmes family, giving them their greatest challenge on the season finale.
Watch Sherlock Season 4 Episode 2
"The Lying Detective"
Original Air Date:
On Sherlock Season 4 Episode 2, Sherlock tries to catch a serial killer hiding in plain sight, while John Watson tries to deal with the death of his wife.
Watch Sherlock Season 4 Episode 1
"The Six Thatchers"
Original Air Date:
On Sherlock Season 4 Episode 1, Sherlock continues solving cases, waiting for Moriarty's posthumous move. However, a trivial detail in a baffling case catches Sherlock's interest.
