Revealing mistake: While Holmes and Watson are investigating the crime scene, there is a shot of them that shows the dead man's hand. His hand is visibly shaking, revealing the actor is struggling to maintain the position of his hand.
The Return of Sherlock Holmes (1986)
1 revealing mistake in season 1 - chronological order
Starring: Jeremy Brett, Rosalie Williams, Edward Hardwicke
Revealing mistake: While Holmes and Watson are investigating the crime scene, there is a shot of them that shows the dead man's hand. His hand is visibly shaking, revealing the actor is struggling to maintain the position of his hand.