S1
S2
S3
S4
E1
E2
E3
E4
E5
7.9
The Cuckoo's Calling: Part 1
7.9
The Cuckoo's Calling: Part 2
8.1
The Cuckoo's Calling: Part 3
7.8
The Silkworm: Part 1
7.7
The Silkworm: Part 2
8.0
Career of Evil: Part 1
8.0
Career of Evil: Part 2
7.9
Lethal White: Part 1
7.8
Lethal White: Part 2
8.0
Lethal White: Part 3
8.0
Lethal White: Part 4
8.1
Troubled Blood: Part 1
8.2
Troubled Blood: Part 2
8.3
Troubled Blood: Part 3
8.6
Troubled Blood: Part 4