Cast on Episode 1

Clip: Season 4 Episode 1 | 1m 9s

Here's the #SherlockPBS cast reacting to the drama of episode one. Warning: Contains spoilers!

Aired: 01/01/17

Rating: TV-14

Funding for MASTERPIECE is provided by Viking and Raymond James with additional support from public television viewers and contributors to The MASTERPIECE Trust, created to help ensure the series’ future.