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.
- 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
- 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.
The Final Problem Edit
- Fans dub them as 'Johnlock'