John and Sherlock are best friends and share a brotherly relationship.
Throughout the Sherlock Series Edit
Series 1 Edit
"The Great Game" Edit
Series 2 Edit
"A Scandal in Belgravia" Edit
"The Hound of the Baskerville" Edit
"The Hounds of Baskerville" Edit
Series 3 Edit
The Empty Hearse Edit
Sherlock hates the fact that John has a mustache and hopes he will get rid of it. Later, John gets mad at Sherlock for pretending to be dead for two years and then punches him in the face several times.
The Sign of Three Edit
His Last Vow Edit
Series 4 Edit
The Six Thatchers Edit
The Lying Detective Edit
During the second episode, John still has quarrels with Sherlock after blaming him for his wife, Mary Morstan's death.
However, John immediately attacks Culverton Smith for trying to kill Sherlock, who planned since the beginning to get John to trust him again.
Later, John forgives Sherlock and tells him that it is not his fault that Mary died and that she chose to take the bullet for Sherlock. He gets upset Sherlock hadn't told him that Irene Adler was still alive, but he tells Sherlock to never let her go. Envisioning a hallucination of Mary, he "apologizes" to her but breaks down crying. Sherlock later embraces John to comfort him.
The Final Problem Edit
By the end of the series, John and Sherlock raise Rosamund together.
- Fans dub them as 'Johnlock'