第 1 季 共 15 集
播出时间：2021年10月26日
第 1 集 Soil and Insects
播出时间：2021年10月26日
Soil analysis helps solve a 37-year-old murder investigation in Scotland. In Huddersfield, analysis of insect life on a body found on the moors helps detectives catch a killer.
第 2 集 Blood Under Paint and Gait
播出时间：2021年10月27日
Blood traces hidden under paint allow an expert witness to find a killer and free five men from suspicion. An unusual gait identifies the murderer of an office worker.
第 3 集 Forensic Imaging and MSN Chat
播出时间：2021年10月28日
Marks left by the tread of a shoe help detectives catch a killer terrorising Rochdale, and a forensic linguist deciphers messages written in slang, revealing a murder plot.
第 4 集 Fibre Trails and Diamonds
播出时间：2021年10月29日
A team of expert witnesses follow a trail of fibres and DNA to solve three cold cases in Pembrokeshire, and a fraudulent diamond investment scheme is exposed by a gemologist.
第 5 集 Pollen in a Field and Fibres in a Car Crash
播出时间：2021年10月30日
A body left in a field prompts the examination of pollen, establishing a new forensic discipline, and fibres fused with car wreckage prove who caused a fatal traffic collision.
第 6 集 DNA, Fibres and Bones
播出时间：2021年11月2日
After 32 years, expert fibre analysis helps bring the killer of two Brighton schoolgirls to justice, and the analysis of bones found on a Yorkshire moor helps find two killers.
第 7 集 Aging Insects and Fake Fairies
播出时间：2021年11月3日
Insect evidence helps crack the case of missing Warrington teenager Shafilea Ahmed, and a series of convincing John Anster Fitzgerald forgeries are uncovered by an art expert.
第 8 集 Soil on a Spade and Stones in a Shoe
播出时间：2021年11月4日
Soil on a spade helps catch the killer of a young woman from Swindon, who for years evaded justice and a stone stuck in the sole of a shoe helps solve a murder in Manchester.
第 9 集 Cerium and CCTV
播出时间：2021年11月5日
A wrongful conviction is overturned by re-examining microscopic particles on a van seat and an attempted murder outside a nightclub is solved by a facial comparison expert.
第 10 集 Pollen, Bones and DNA
播出时间：2021年11月6日
Pollen and bone experts help identify the remains of a murder victim found in a sports bag. And advances in DNA help find the killer of a Bradford pensioner after 22 years.
第 11 集 Text Messages and DNA
播出时间：2021年11月9日
Analysis of text messages reveal a husband's plot to cover up his wife's murder and traces of DNA on decades old evidence helps bring justice to the family of a murdered woman.
第 12 集 Pollen, Chalk and DNA
播出时间：2021年11月10日
How expert analysis of nettles and chalky soil helped catch the killer of Soham schoolgirls and how advances in DNA techniques finally solve the murder known as Beauty in the Bath
第 13 集 Insects and Bones
播出时间：2021年11月11日
Insects establish an accurate time of death, helping to prove a husband killed his wife and analysis of burnt remains in Leeds, uncovers another husband's cold murder of his wife.
第 14 集 Paint Materials and Blood Patterns
播出时间：2021年11月12日
Forensics analysis by an art expert prove paintings by a well known cornish artist are fake, and blood spatter patterns in a hotel bedroom, help catch the killer of a father of 3.
第 15 集 60's DNA and Fibres Around the World
播出时间：2021年11月13日
A fifty year old cold case murder is solved by DNA and the tenacity of an expert witness. And a murder investigation is solved by tracking unusual blue fibres around the world.
