Watch Sherlock Season 3 Online
Watch Sherlock Season 3 full episodes online, free and paid options via our partners and affiliates.
![Charles Augustus Magnussen on Sherlock](https://tv-fanatic-res.cloudinary.com/iu/s--o5MV3DBZ--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1391364021/charles-augustus-magnussen-on-sherlock.jpg)
Watch Sherlock Season 3 Episode 3
"His Last Vow"
Original Air Date:
Sherlock runs into Charles Augustus Magnussen this week. Has he met his match?
![Sherlock as Best Man](https://tv-fanatic-res.cloudinary.com/iu/s--LL80zxiA--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1390759421/sherlock-as-best-man.jpg)
Watch Sherlock Season 3 Episode 2
"The Sign of Three"
Original Air Date:
It's John and Mary's wedding day! This unique episode is centered around Sherlock's speech as Best Man.
![Watson with a Mustache](https://tv-fanatic-res.cloudinary.com/iu/s--UmUi76JK--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1386589802/watson-with-a-mustache.jpg)
Watch Sherlock Season 3 Episode 1
"The Empty Hearse"
Original Air Date:
Is Sherlock alive?!? The fate of this beloved sleuth is revealed on the Season 3 opener.