The Lying Detective
| Episode Number | 2 |
|---|---|
| Season | 4 |
| Aired | 2017-01-08 |
| Overview | Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith - a man with a very dark secret indeed. |
| Runtime | 89 minutes |
| Absolute Number | 12 |
| Finale Type |