Home / Series / Grave Secrets / Aired Order /

All Seasons

Season 1

  • S01E01 Secrets of the Desert

    • November 2, 2016
    • Investigation Discovery

    When Shauna Tiaffay is found brutally murdered, her husband George immediately becomes the prime suspect, but he has an ironclad alibi. The case goes cold, until a tip cracks the case, and a secret shatters the lives of this seemingly perfect family.

  • S01E02 Secret Vows

    • November 9, 2016
    • Investigation Discovery

    When 19-year-old Devon Guzman is found dead in the backseat of her car, it sends shockwaves through her grieving community. But detectives soon discover Devon's love life was a time bomb-- a web of jealousy and betrayal that seemed destined for disaster.

  • S01E03 The Signs on Their Bodies

    • November 16, 2016
    • Investigation Discovery

    In 1987, the mutilated bodies of multiple women began appearing around Delaware. The horrific deaths were the work of the state’s first serial killer. The hunt for him would lead investigators down a dark road, that no one would soon forget.

  • S01E04 Her Mother's Secrets

    • November 23, 2016
    • Investigation Discovery

    Loretta Bowersock is dropped off at a mall for a day of shopping, but never seen again. Investigators struggle to come up with a suspect, until they discover that Loretta had a secret that shocks her loved ones, and may explain her disappearance.

  • S01E05 Ten Weeks Later

    • November 30, 2016
    • Investigation Discovery

    Detectives in Chandler, AZ are shocked when it takes ten weeks for anyone to report Jamie Laiaddee missing. But as they begin to uncover Jamie’s dark secrets, they find themselves unraveling the frightening details of her mysterious disappearance.

  • S01E06 Beyond the Grave

    • December 7, 2016
    • Investigation Discovery

    Wife and mother Sandra Duyst appears to have it all. Yet what few know is that she struggles with crippling depression. Her death appears as a suicide, but a message from beyond the grave sends the investigation into an unexpected direction.

  • S01E07 Bottom of the Stairs

    • December 14, 2016
    • Investigation Discovery

    Detectives called to the home of Ken and Kristine Fitzhugh learn that what was once considered an accidental fall is now being investigated as a homicide. They find themselves on the hunt for the real scene of Kristine’s death... and for her killer

  • S01E08 A Curve in the Road

    • December 21, 2016
    • Investigation Discovery

    Wendy Kratzert's van appears to have skidded off the road, but upon a closer look, it's clear this is a homicide. As detectives trace their victim's last steps, they begin to unravel secrets in one of the strangest cases that they've ever seen.

  • S01E09 The Last Calls She Made

    • December 28, 2016
    • Investigation Discovery

    When teenager Marlisa Wells is stabbed to death, few can imagine why anyone would do that to such a lovely girl. But Marlisa's friend says she was keeping a secret from her family, and investigators must determine if it led to her brutal murder.

  • S01E10 What My Mother Knew

    • January 4, 2017
    • Investigation Discovery

    Every week Janine Sutphen went to symphony practice. One night, she didn't come home. Her husband reveals to police there's more to this housewife than anyone knew. But very quickly a secret comes out- leading investigators down a dark, twisted path.

Season 2

  • S02E01 Beneath the Stairs

    • November 14, 2017
    • Investigation Discovery

    In 1999, the discovery of a decomposed and mummified body in a barrel horrifies a new home owner; police are shocked to discover the victim was heavily pregnant.

  • S02E02 The Last Time They Saw Her

    • November 21, 2017
    • Investigation Discovery

    Detective Pat Postiglione finds a woman's body at a truck stop, and the clues suggest her death came at the hands of a serial killer; then the focus shifts as suspicion falls on the victim's two drug-dealing friends.

  • S02E03 The Shadow of the Steeple

    • November 28, 2017
    • Investigation Discovery

    In 2001, parishioners arrive at church, unaware they are passing a grisly crime scene in their own parking lot, where Tracey Bagwell has been stabbed 30 times in her car.

  • S02E04 The Women in the Woods

    • December 5, 2017
    • Investigation Discovery

    In 1987, women's bodies are found in a forest outside of Molalla, Ore.; detectives struggle to find a lead, then they get a break when another case shows similar characteristics.

  • S02E05 First Comes Love

    • December 12, 2017
    • Investigation Discovery

    A woman is devastated when her husband, Cody, disappears days after their wedding; then, she reports receiving an improbable email claiming that Cody died in a hiking accident, prompting detectives to fear this blushing bride is really a black widow.

  • S02E06 Proof of Life

    • December 19, 2017
    • Investigation Discovery

    Police are dubious when a woman reports her father, Dwight Tobyne, missing after eight months; none of the Tobynes seem eager to talk, but the family's secrets will lead detectives to a grim discovery in the Arizona desert.

  • S02E07 The Manner of Murder

    • December 26, 2017
    • Investigation Discovery
  • S02E08 Baptism by Fire

    • January 2, 2018
    • Investigation Discovery
  • S02E09 The Secret Code

    • January 9, 2018
    • Investigation Discovery

    A single footprint is the only clue uncovered after a man is found stabbed to death in his home; police suspect the victim's ex-wife after they learn of a bitter divorce and custody battle.

  • S02E10 Her Mother's Prayers

    • January 9, 2018
    • Investigation Discovery

    A 9-year-old girl vanishes while delivering cookies around an affluent neighborhood in Nashville, Tenn.; investigators turn up several suspects, but it takes more than 30 years for the case to be solved.