Investigation Discovery

TV GUIDE
Quick jump Tonight's highlights

Browse the full Investigation Discovery TV guide for Tuesday, 20 October 2026. 26 programmes listed , including 6 tonight. UK listings updated daily — scroll down to tonight's highlights or use the day tabs above to browse the weekly schedule.

Early Morning

  1. 00:00 1h

    Deadly Women

    S14 · E5 · Killer Intellect
    A young woman convinces a teenager to kill her husband
    To avoid an expensive divorce, a young woman convinces a teenager to kill her husband. And, a cabaret singer resorts to murder to get back into the spotlight
  2. 01:00 1h

    Deadly Women

    S14 · E6 · To Have and to Harm
    How a wealthy New York woman's hunger for money led to the murder of her husband
    How a wealthy New York woman's hunger for money led to the murder of her husband. Plus, how desire for a younger lover turned a mother into a killer
  3. 02:00 1h

    Evil Online

    S4 · E2 · High on Love
    The case of Brandon Wentzell
    The case of high school student Brandon Wentzell, who fell for Clarissa Chistiakov online. However, Chistiakov was a fake identity and its creator Jessica Boudreau led Wentzell on, inadvertently towards abusing alcohol and painkillers to his untimely death
  4. 03:00 1h

    Evil Online

    S4 · E5 · Final Sale
    The murder of 50-year-old real-estate agent Beverly Carter
    The case of real-estate agent Beverly Carter, who failed to return after arranging to meet a prospective buyer at a remote Arkansas house in September 2014. After her body was discovered in a shallow grave, Arron Lewis was accused of kidnapping and killing the 50-year-old as a part of a ransom plot
  5. 04:00 1h

    On the Case with Paula Zahn

    S12 · E31 · Confessions and Lies
    A young woman is brutally murdered in her home
    When a young woman is brutally murdered in her home, police must sort through confessions and lies in their hunt for a cold and calculating killer
  6. 05:00 1h

    On the Case with Paula Zahn

    S12 · E32 · Pretty Pink Bicycle
    A young girl vanishes on a trip to the mailbox
    A young girl vanishes on a trip to the mailbox. Will her abandoned pink bicycle be the key to solving the disturbing mystery

Morning

  1. 06:00 30m

    Teleshopping

    Home shopping
    Buying goods from the comfort of home
  2. 06:30 30m

    Teleshopping

    Home shopping
    Buying goods from the comfort of home
  3. 07:00 30m

    Teleshopping

    Home shopping
    Buying goods from the comfort of home
  4. 07:30 30m

    Teleshopping

    Home shopping
    Buying goods from the comfort of home
  5. 08:00 1h

    Evil Online

    S4 · E2 · High on Love
    The case of Brandon Wentzell
    The case of high school student Brandon Wentzell, who fell for Clarissa Chistiakov online. However, Chistiakov was a fake identity and its creator Jessica Boudreau led Wentzell on, inadvertently towards abusing alcohol and painkillers to his untimely death
  6. 09:00 1h

    Evil Online

    S4 · E5 · Final Sale
    The murder of 50-year-old real-estate agent Beverly Carter
    The case of real-estate agent Beverly Carter, who failed to return after arranging to meet a prospective buyer at a remote Arkansas house in September 2014. After her body was discovered in a shallow grave, Arron Lewis was accused of kidnapping and killing the 50-year-old as a part of a ransom plot
  7. 10:00 1h

    Evil Online

    S4 · E7 · Playing Doctor
    The case of Jeffrey Marsalis
    The case of Jeffrey Marsalis, who had both charm and good looks but was a sexual predator and would take women on dates and drug them. Two of his victims, JoAnn Buttaro and Jessika Rovell, recall their experiences
  8. 11:00 1h

    Evil Online

    S4 · E8 · Searching for Mr Wrong
    The murder of Nikki McPhatter
    The case of 30-year-old US Airways employee Nikki McPhatter, who was shot dead by Theodore Manning in May 2009 while visiting his home to end their relationship

Daytime

  1. 12:00 1h

    On the Case with Paula Zahn

    S12 · E31 · Confessions and Lies
    A young woman is brutally murdered in her home
    When a young woman is brutally murdered in her home, police must sort through confessions and lies in their hunt for a cold and calculating killer
  2. 13:00 1h

    American Monster

    S5 · E5 · Flesh and Blood
    The double lives of the US's most terrifying killers and abductors
    Video footage, police interview tapes and courtroom footage reveal the double lives of the US's most terrifying killers and abductors before they were caught
  3. 14:00 1h

    American Monster

    S6 · E1 · Second Chance
    A work accident changes the course of a couple's lives
    Joy and Fred are typical high-school sweethearts until a tragic work accident changes their lives. As Joy tries to find a second shot at love, her past will refuse to let her go
  4. 15:00 1h

    Twisted Sisters

    S3 · E1 · Smoky Mountain Murder
    A custody battle that turned deadly
    A custody battle that turned deadly as twin sisters crafted a complicated, cross-country conspiracy to 'do-in' the one person standing in their way. The children, meanwhile, witnessed the plan
  5. 16:00 1h

    Twisted Sisters

    S3 · E2 · Her Own Medicine
    A case in which two tight-knit sisters fell out over an inheritance
    A case in which two tight-knit sisters fell out over an inheritance from their mother. Years later, one of the sisters died a painful and mysterious death
  6. 17:00 1h

    Twisted Sisters

    S3 · E3 · The Old River Road
    Two sisters who plotted a murder together
    Sisters Janice and Betty plotted a murder and its cover-up. Their plan had a fatal flaw however, as they left the victim lying by the side of the road

Tonight's Highlights

  1. 18:00 1h

    Twisted Sisters

    S3 · E6 · Cold As Ice
    How a family move created an environment perfect for murder
    How a family's search for new beginnings backfired when their moving back and forth from Hawaii to Alaska created an environment perfect for murder
  2. 19:00 1h

    Mean Girl Murders

    S2 · E8 · Hot Yoga & Cold Blood
    A shooting in a luxury building sends shockwaves through a neighbourhood.
    A shooting in a luxury building sends shockwaves through an upscale neighbourhood. Detectives uncover a list of suspects and a plot born out of economic envy.
  3. 20:00 1h

    Mean Girl Murders

    S2 · E4 · Straight A-Killer
    Two of the best and brightest compete for more than just grades.
    In Warren, Michigan, two of the best and brightest, Danyna Gibson and Tanaya Lewis, compete for more than just grades and the results turn deadly.
  4. 21:00 1h

    Deadliest Mums & Dads

    S1 · E1 · The Honour Killing
    The case of Shafilea Ahmed
    An investigation into the stories of some of Britain's most infamous parents. When missing teenager Shafilea Ahmed's remains are found, her parents seem devastated. Years later, police unravelled the truth of abuse, family honour and murder
  5. 22:00 1h

    Evil Lives Here: My Child the Killer

    S1 · E3 · One Child in Heaven, One in Jail
    A mother watches darkness take over her son
    A mother watches darkness take over her son. Still, nothing prepares her for the day that darkness costs her not only her son, but her daughter, too
  6. 23:00 1h

    Disappeared

    S10 · E2 · Navajo Nightmare
    Investigating the cases of missing people
    Pepita Redhair, a 27-year-old Navajo woman, goes missing in Albuquerque, New Mexico. The family enlists the help of a medicine man to find her

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