| World's Most Evil Killers | Thierry Paulin murdered 21 elderly women during the 1980s, living a lavish lifestyle with their stolen money, only apprehended when he mistakenly left one victim alive. S1 Ep20 | Fri, Dec 20, 11:05 pm | TRUE CRIME | 55 mins |
| World's Most Evil Killers | Fritz Honka killed four prostitutes in Hamburg, storing their corpses in his flat. He was only caught when firefights discovered the bodies when his home burned down. S1 Ep19 | Thu, Dec 19, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Marc Dutroux kidnapped, tortured and sexually abused six girls, murdering four of them. He accomplice was his wife Michelle Martin. S1 Ep18 | Wed, Dec 18, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Volker Eckert, a German truck driver, strangled and killed as many as 19 women across Europe. He told Police it was a relief when he was finally arrested. S1 Ep17 | Tue, Dec 17, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Joachim Georg Kroll murdered at least 13 people, raping, disembowelling and eating his victims. When arrested, parts of a 4-year olds body was simmering in a pan on his stove. S1 Ep16 | Mon, Dec 16, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Ed Gein murdered two women and was a body snatcher, fashioning items from body parts and skin. He was confirmed insane and sectioned. S1 Ep15 | Fri, Dec 13, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Fritz Honka killed four prostitutes in Hamburg, storing their corpses in his flat. He was only caught when firefights discovered the bodies when his home burned down. S1 Ep19 | Sun, May 19, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Marc Dutroux kidnapped, tortured and sexually abused six girls, murdering four of them. He accomplice was his wife Michelle Martin. S1 Ep18 | Sun, May 19, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Volker Eckert, a German truck driver, strangled and killed as many as 19 women across Europe. He told Police it was a relief when he was finally arrested. S1 Ep17 | Sat, May 18, 11:05 pm | TRUE CRIME | 55 mins |
| World's Most Evil Killers | Beverley Allit killed four children and attempted nine more when working as a nurse. Detective Stuart Clifton helped to prove that the deaths weren't accidental. S1 Ep12 | Mon, May 6, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Michael Ryan went on a killing spree in a small town, firing randomly at anyone he saw. By the time he turned the gun on himself, he'd murdered 16 people. S1 Ep11 | Sun, May 5, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Peter Tobin was imprisoned in 1993 for raping two schoolgirls. After his release he murdered two women, and was convicted for another murder from 1991. S1 Ep10 | Sun, May 5, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Stuart Hazell feigned tears and begged for the safe return of Tia Sharpe, his partner's daughter. Eventually it was discovered that he had sexually assaulted and murdered her. S1 Ep9 | Sat, May 4, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Dennis Nilsen killed at least 12 men, dressing up the corpses and having sex with them before dismembering and flushing the bodies down the toilet. S1 Ep8 | Mon, Apr 29, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Stephen Griffiths, the self-proclaimed 'Crossbow Cannibal', had always fantasized about murder, and in 2009 acted on these instincts and killed three women. S1 Ep7 | Sun, Apr 28, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Joanne Dennehy stabbed three men to death in March 2013, killing for her own entertainment. She was later diagnosed as a psychotic sadomasochist. S1 Ep6 | Sun, Apr 28, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Levi Bellfield killed two women by bludgeoning them to death with a hammer, and also attempted to murder a third by running her down in his car. S1 Ep5 | Sat, Apr 27, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Fred & Rose West raped, tortured and killed young women, including their own daughter. Between them they murdered twelve girls in their house of horrors. S1 Ep4 | Mon, Apr 22, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Ian Huntley abducted and murdered schoolgirls Holly Wells and Jessica Chapman, attempting to burn their bodies, then pretending to help the Police in their search. S1 Ep3 | Sun, Apr 21, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Peter Sutcliffe, aka The Yorkshire Ripper, was convicted of killing thirteen women and attempting seven more. He claimed the voice of God told him to kill prostitutes. S1 Ep2 | Sun, Apr 21, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Steve Wright killed five women, all of whom had been working as prostitutes, over a six week period, without motive or explanation. S1 Ep1 | Sat, Apr 20, 11:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Thierry Paulin murdered 21 elderly women during the 1980s, living a lavish lifestyle with their stolen money, only apprehended when he mistakenly left one victim alive. S1 Ep20 | Thu, Feb 29, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Fritz Honka killed four prostitutes in Hamburg, storing their corpses in his flat. He was only caught when firefights discovered the bodies when his home burned down. S1 Ep19 | Wed, Feb 28, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Volker Eckert, a German truck driver, strangled and killed as many as 19 women across Europe. He told Police it was a relief when he was finally arrested. S1 Ep17 | Sat, Feb 24, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Joachim Georg Kroll murdered at least 13 people, raping, disembowelling and eating his victims. When arrested, parts of a 4-year olds body was simmering in a pan on his stove. S1 Ep16 | Fri, Feb 23, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Ed Gein murdered two women and was a body snatcher, fashioning items from body parts and skin. He was confirmed insane and sectioned. S1 Ep15 | Thu, Feb 22, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Jeffrey Dahmer raped, murdered and ate young male victims across 13 years. He was sentenced to 957 years in prison after human skulls were found in his closet. S1 Ep14 | Wed, Feb 21, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | John Wayne Gacy murdered 33 boys and young men during a six year period in the 1970s, hiding their bodies in his suburban home. He was executed in 1994. S1 Ep13 | Tue, Feb 20, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Beverley Allit killed four children and attempted nine more when working as a nurse. Detective Stuart Clifton helped to prove that the deaths weren't accidental. S1 Ep12 | Sat, Feb 17, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Michael Ryan went on a killing spree in a small town, firing randomly at anyone he saw. By the time he turned the gun on himself, he'd murdered 16 people. S1 Ep11 | Fri, Feb 16, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Peter Tobin was imprisoned in 1993 for raping two schoolgirls. After his release he murdered two women, and was convicted for another murder from 1991. S1 Ep10 | Thu, Feb 15, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Stuart Hazell feigned tears and begged for the safe return of Tia Sharpe, his partner's daughter. Eventually it was discovered that he had sexually assaulted and murdered her. S1 Ep9 | Wed, Feb 14, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Dennis Nilsen killed at least 12 men, dressing up the corpses and having sex with them before dismembering and flushing the bodies down the toilet. S1 Ep8 | Tue, Feb 13, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Stephen Griffiths, the self-proclaimed 'Crossbow Cannibal', had always fantasized about murder, and in 2009 acted on these instincts and killed three women. S1 Ep7 | Sat, Feb 10, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Joanne Dennehy stabbed three men to death in March 2013, killing for her own entertainment. She was later diagnosed as a psychotic sadomasochist. S1 Ep6 | Fri, Feb 9, 12:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Thierry Paulin murdered 21 elderly women during the 1980s, living a lavish lifestyle with their stolen money, only apprehended when he mistakenly left one victim alive. S1 Ep20 | Sat, Dec 9, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Thierry Paulin murdered 21 elderly women during the 1980s, living a lavish lifestyle with their stolen money, only apprehended when he mistakenly left one victim alive. S1 Ep20 | Fri, Dec 8, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Fritz Honka killed four prostitutes in Hamburg, storing their corpses in his flat. He was only caught when firefights discovered the bodies when his home burned down. S1 Ep19 | Fri, Dec 8, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Fritz Honka killed four prostitutes in Hamburg, storing their corpses in his flat. He was only caught when firefights discovered the bodies when his home burned down. S1 Ep19 | Thu, Dec 7, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Marc Dutroux kidnapped, tortured and sexually abused six girls, murdering four of them. He accomplice was his wife Michelle Martin. S1 Ep18 | Thu, Dec 7, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Marc Dutroux kidnapped, tortured and sexually abused six girls, murdering four of them. He accomplice was his wife Michelle Martin. S1 Ep18 | Wed, Dec 6, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Volker Eckert, a German truck driver, strangled and killed as many as 19 women across Europe. He told Police it was a relief when he was finally arrested. S1 Ep17 | Wed, Dec 6, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Volker Eckert, a German truck driver, strangled and killed as many as 19 women across Europe. He told Police it was a relief when he was finally arrested. S1 Ep17 | Tue, Dec 5, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Joachim Georg Kroll murdered at least 13 people, raping, disembowelling and eating his victims. When arrested, parts of a 4-year olds body was simmering in a pan on his stove. S1 Ep16 | Tue, Dec 5, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Joachim Georg Kroll murdered at least 13 people, raping, disembowelling and eating his victims. When arrested, parts of a 4-year olds body was simmering in a pan on his stove. S1 Ep16 | Mon, Dec 4, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Jeffrey Dahmer raped, murdered and ate young male victims across 13 years. He was sentenced to 957 years in prison after human skulls were found in his closet. S1 Ep14 | Fri, Dec 1, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Jeffrey Dahmer raped, murdered and ate young male victims across 13 years. He was sentenced to 957 years in prison after human skulls were found in his closet. S1 Ep14 | Thu, Nov 30, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | John Wayne Gacy murdered 33 boys and young men during a six year period in the 1970s, hiding their bodies in his suburban home. He was executed in 1994. S1 Ep13 | Thu, Nov 30, 1:00 am | TRUE CRIME | 60 mins |
| World's Most Evil Killers | John Wayne Gacy murdered 33 boys and young men during a six year period in the 1970s, hiding their bodies in his suburban home. He was executed in 1994. S1 Ep13 | Wed, Nov 29, 9:00 pm | TRUE CRIME | 60 mins |
| World's Most Evil Killers | Beverley Allit killed four children and attempted nine more when working as a nurse. Detective Stuart Clifton helped to prove that the deaths weren't accidental. S1 Ep12 | Wed, Nov 29, 1:00 am | TRUE CRIME | 60 mins |