E1 • Towers of Silence: Part 1

1. 58 min
2. TV-MA
3. CC

A mummified body found on a derelict aeroplane leads the team to a similar case.

E2 • Towers of Silence: Part 2

1. 57 min
2. TV-MA
3. CC

Concluding part. The shadowy figure of a corrupt businessman grows increasingly sinister as the team discover that he was manufacturing fake drugs.

E3 • Black Run: Part 1

1. 58 min
2. TV-14
3. CC

First part of a two-part story. Ex-cop Eddie Vine summons Boyd to prison, where he is serving life for murdering his partner and best friend Tom Palliser.

E4 • Black Run: Part 2

1. 58 min
2. TV-14
3. CC

Suspended following a hit and run offence, Boyd is tormented by the possibility that he has made a grave error. He is forced to delve into his past and examine his conscience.

E5 • Subterraneans: Part 1

1. 58 min
2. TV-14
3. CC

First part of a two-part story. A millionaire businessman is found dead one year after he disappeared, appearing to have committed suicide with pills.

E6 • Subterraneans: Part 2

1. 58 min
2. TV-14
3. CC

As the team collect damning evidence, their suspect disappears and then so does his wife.

E7 • Straw Dog: Part 1

1. 58 min
2. TV-MA
3. CC

Grace, the forensic profiler who helped convict a man 30 years earlier, is targeted by a copycat murderer.

E8 • Straw Dog: Part 2

1. 58 min
2. TV-14
3. CC

Tony Greene is still incarcerated, so the hunt is on for either the real killer or a copycat who has knowledge of Greene's MO.

E9 • Undertow: Part 1

1. 58 min
2. TV-14
3. CC

First part of a two-part story. The cold case team discovers the existence of a former serial killer imprisoned for benefit fraud who is about to be released.

E10 • Undertow: Part 2

1. 58 min
2. TV-14
3. CC

Hunt is released and Boyd has him tailed. Under their noses, he drowns a girl at the local baths.

E11 • Cold Fusion: Part 1

1. 58 min
2. TV-MA
3. CC

A murder case that Spencer worked on whilst a policeman at the Atomic Energy Commission is under review.

E12 • Cold Fusion: Part 2

1. 59 min
2. TV-MA
3. CC

The Anti-Terrorist squad has the team quarantined until the substance that knocked out Felix can be identified.