PIC: Did You Spot This Glaring Mistake In The New Episode Of ‘Sherlock’?

The long-awaited fourth season of Sherlock dropped on New Year's Day and the world's greatest detective once again wowed us with his special brand of eccentric brilliance.

But while Sherry's powers of observation are second to none, the makers of the show aren't quite so eagle-eyed.

Case in point.

Ah lads.

READ NEXT: This 'Pointless' Contestant's Look Of Utter Disappointment With Her Teammate's Answer Is Hilarious