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All Seasons

Season 1

  • S01E01 Teens Who Murder

    • June 7, 2011
    • Investigation Discovery

    A boy becomes the center of a rivalry between two teenage girls in the opener of the crime documentary series.

  • S01E02 A Parent's Anguish

    • June 14, 2011
    • Investigation Discovery

    Two missing daughters unite two fathers, who become citizen detectives to find them.

  • S01E03 Portrait of a Madman

    • June 21, 2011
    • Investigation Discovery

    The crimes of Marcus Wesson, who controlled his family like a cult before their bloody demise, are detailed.

  • S01E04 Witness

    • June 28, 2011
    • Investigation Discovery

    A young military wife and two of her daughters are murdered in their own home, and one toddler is spared from the killings.

  • S01E05 Dangerous Affairs

    • July 5, 2011
    • Investigation Discovery

    The crimes of Philippe Padieu, who was convicted for knowingly exposing his unsuspecting lovers to HIV.

  • S01E06 Deadly Choices

    • September 12, 2011
    • Investigation Discovery

    An Internet prank turns deadly on Long Island.

  • S01E07 The Preacher's Hidden Life

    • September 19, 2011
    • Investigation Discovery

    A minister's wife is found dead in her home. Police question whether it was suicide or murder, and the minister's mistress could be the key to solving the mystery.

  • S01E08 Blood Ties

    • September 26, 2011
    • Investigation Discovery

    The story of Rebecca Babcock, whose mother, Diane Downs, shot three of Rebecca's siblings in 1983, killing one of them

  • S01E09 The Lost Boys

    • October 3, 2011
    • Investigation Discovery

    Two fathers travel to Italy to be reunited with their sons, but their efforts are impeded.

  • S01E10 Who's Guilty?

    • October 10, 2011
    • Investigation Discovery

    The 2006 killings of Wayne and Sharmon Stock in Murdock, Neb., and the subsequent investigation are discussed.

  • S01E11 Mind Games: Math Teacher

    • October 17, 2011
    • Investigation Discovery

    The ordeal of a high-school teacher who was kidnapped—along with her daughter—by a deranged former student is detailed.

  • S01E12 Missing Forever: What Really Happened to Etan Patz

    • October 31, 2011
    • Investigation Discovery

    The case of Etan Patz, a 6-year-old boy who went missing in New York City in 1979, is discussed.

  • S01E13 The Murder Room

    • November 7, 2011
    • Investigation Discovery

    The murder of 15-year-old Leah Freeman, who was slain in Coquille, Ore., in 2000, is investigated.

  • S01E14 Kelley Cannon

    • November 14, 2011
    • Investigation Discovery

    Profiling Kelley Cannon, who was convicted of killing her husband in 2008.

  • S01E15 Burning Bed

    • November 21, 2011
    • Investigation Discovery

    A tale of love gone awry for a real-estate agent and a lounge owner culminates in murder.

  • S01E16 Unforgivable Fathers

    • January 25, 2012
    • Investigation Discovery

    A young man's identity is stolen by his estranged father; a murder case in which an 18-year-old woman killed her father is detailed.

  • S01E17 Love and Lies

    • January 18, 2012
    • Investigation Discovery

    Two tales of love gone wrong from Seattle and Missouri are detailed.

  • S01E18 Murderous Love

    • February 11, 2012
    • Investigation Discovery

    Girl drowns in a pool; her mother becomes a target, and this supposed accident becomes more.

  • S01E19 Hidden Identity

    • February 15, 2012
    • Investigation Discovery

    A report on two separate murder cases---one in Indiana, another in Edmonton---that investigators suspect were inspired by the TV drama "Dexter."

  • S01E20 The Vanishing Blonde, part 1

    • April 3, 2012
    • Investigation Discovery

    The discovery of a woman's naked and beaten body begins a mystery of dead ends, but a determined investigator refuses to give up on his search for the truth.

  • S01E21 The Vanishing Blonde, part 2

    • April 3, 2012
    • Investigation Discovery

Season 2

Season 3

Season 4

Season 5

Season 6

  • S06E01 The Last One to See Them

    • March 7, 2017
    • Investigation Discovery

  • S06E02 What the Camera Didn’t See

    • March 14, 2017
    • Investigation Discovery

  • S06E03 A Family Plot

    • March 21, 2017
    • Investigation Discovery

  • S06E04 A Last Dance in Texas

    • March 28, 2017
    • Investigation Discovery

  • S06E05 What the Dash Cam Never Saw

    • April 4, 2017
    • Investigation Discovery

  • S06E06 Mystery in Apartment 410

    • May 9, 2017
    • Investigation Discovery

  • S06E07 Bad Blood

    • May 16, 2017
    • Investigation Discovery

  • S06E08 How to Get Away With Murder

    • September 11, 2017
    • Investigation Discovery

  • S06E09 Deadly Business

    • September 18, 2017
    • Investigation Discovery

  • S06E10 By the River’s Edge

    • September 27, 2017
    • Investigation Discovery

  • S06E11 Her Last Chance

    • October 2, 2017
    • Investigation Discovery

  • S06E12 After Midnight

    • October 9, 2017
    • Investigation Discovery

  • S06E13 What Happened to Jackie: The UVA Rape Story

    • October 26, 2017
    • Investigation Discovery

    A University of Virginia student identified as "Jackie" tells a story of gang rape to a Rolling Stone magazine reporter, then another reporter takes a closer look and discovers that details of "Jackie's" story do not add up.

  • S06E14 Lost at Sea

    • November 6, 2017
    • Investigation Discovery

    A young man and his mother go on a fishing trip, but only he returns; questions surface about whether the victim's presumed death is the result of a boating accident or murder; additionally, there is another suspicious murder in the family's past.

  • S06E15 Rear Window

    • November 13, 2017
    • Investigation Discovery

    A black man becomes the chief suspect following the murder of a young boy in a small town, but suspicion may have landed on him because he had once dated a white woman.

Season 7

  • S07E01 Dying to Be Famous

    • March 3, 2018
    • Investigation Discovery

    A drifter murders Italian fashion designer Gianni Versace

  • S07E02 Slenderman

    • March 10, 2018
    • Investigation Discovery

    Two 12-year-old girls attack a friend in the woods, leaving her for dead; when questioned by police, the girls say a creature named Slender Man made them do it.

  • S07E03 Diamonds Aren't Forever

    • March 17, 2018
    • Investigation Discovery

    A brazen gang of diamond thieves leads police on a cross-country chase; the gang's high-flying ways may lead to their undoing

  • S07E04 The Rise, Fall and Rise of John McAfee

    • March 24, 2018
    • Investigation Discovery

    Maverick software company founder John McAfee goes on the run after being accused of murder while living in Belize

  • S07E05 Left to Die

    • March 31, 2018
    • Investigation Discovery

    Toddler Cooper Harris dies after being left in a hot car; his father says it was an accident, while authorities say it was murder; during the trial, Cooper's grieving mother speaks out about what happened to her baby boy and stuns the courtroom

  • S07E06 Dangerous Games

    • April 28, 2018
    • Investigation Discovery

    Threats turn an online romance into a nightmare

  • S07E07 Only Two Remain

    • May 5, 2018
    • Investigation Discovery

    After a man is bludgeoned to death in his home, his wife and father-in-law claim it is a case of self-defense; then investigators take a closer at the crime scene, and the story of what really happened that night emerges.

  • S07E08 Family Business

    • May 12, 2018
    • Investigation Discovery

    An armored truck driver and his family commit a series of heists, eluding authorities for more than a decade; when one of them starts flashing money around, their plan for living the good life begins to crumble.

  • S07E09 Figure in the Shadows

    • May 19, 2018
    • Investigation Discovery

    A shocking crime jolts a small town when a young woman disappears and is later found dead. The last person seen with her -- a mysterious figure in camouflage. Investigators focus on several suspects and one is convicted.

  • S07E10 Behind the Closed Door

    • May 26, 2018
    • Investigation Discovery

    In a football-crazed town, a star player and a teenage girl end up in a he-said, she-said controversy after a raucous party; investigators ask what happened when the two of them went into a bedroom during the party and closed the door behind them.

  • S07E11 The Killer Clown?

    • June 2, 2018
    • Investigation Discovery

    A wealthy community is shocked after a person dressed like a clown guns down a woman at her front door; suspicion falls on the victim's husband and his alleged girlfriend, but it will take more than 20 years until an arrest is finally made.

  • S07E12 Deadly Daughter?

    • June 9, 2018
    • Investigation Discovery

    After spending 11 years in prison, Noura Jackson talks about the evidence that put her behind bars.

  • S07E13 A Capitol Offense

    • June 16, 2018
    • Investigation Discovery

    A mysterious figure threatens to expose the secret affair between two married politicians; despite a cover-up attempt, the situation spirals into a major public scandal, which ultimately derails multiple political careers.

  • S07E14 Can Words Kill?

    • June 23, 2018
    • Investigation Discovery

    A young woman is tried for sending text messages encouraging her boyfriend to commit suicide.

  • S07E15 Sister Survivors

    • May 24, 2018
    • Investigation Discovery

    For more than 20 years, Larry Nassar, the doctor for the USA Gymnastics national team, sexually abuses young athletes in his care; finally, one survivor breaks her silence; now, a group of women comes together to tell their stories and seek justice.

  • S07E16 A Killing on the Cape, Part 1

    • September 15, 2018
    • Investigation Discovery

    In Cape Cod, Mass., a writer is found murdered in her home, causing rumors to run rampant.

  • S07E17 A Killing on the Cape, Part 2

    • September 15, 2018
    • Investigation Discovery

    In Cape Cod, Mass., a writer is found murdered in her home; rumors run rampant, while investigators discover a tangled web of relationships; however, the community is unprepared the shocking arrest of a suspect who makes stunning claims.

  • S07E18 Prescription for Murder

    • October 13, 2018
    • Investigation Discovery

    A whirlwind romance between two doctors takes a dark turn fueled by revenge, secrets and obsession; after someone ends up dead, a voice from the grave sheds light on a murder plot

  • S07E19 A Daughter's Fight

    • October 13, 2018
    • Investigation Discovery

    A woman is certain she knows who murdered her mother; after five years, the cold case turns hot, as investigators realize that a pillar of the community is hiding secrets.

  • S07E20 Chance Encounter

    • December 1, 2018
    • Investigation Discovery

    A night of partying by fraternity brothers ends with one student dead and three wounded after a knock on the door leads to gunfire

  • S07E21 Mystery on the Hudson

    • December 8, 2018
    • Investigation Discovery

    A couple goes kayaking on the Hudson River, but only she returns alive; authorities piece together the clues and come to believe that she murdered her fiancé, while she insists his death is the result of a tragic accident.

  • S07E22 Memory and Mystery

    • December 15, 2018
    • Investigation Discovery

    After a brutal attack, a woman undergoes hypnosis to recover memories of the man who assailed her.

  • S07E23 Secret Siblings

    • January 5, 2019
    • Investigation Discovery

    Identical twins are adopted into different families without their birth mother or adoptive parents ever learning the truth; now, this decades-old scandal is brought to light

  • S07E24 In-Laws and Outlaws

    • January 12, 2019
    • Investigation Discovery

  • S07E25 Would You Kill For Love

    • January 19, 2019
    • Investigation Discovery

    Jens Soering confesses to murdering his girlfriend's parents; investigators ask if he acted alone or was swayed by devotion to the woman he loved; they wonder if he was bewitched into confessing to a crime he didn't commit.

  • S07E26 The Wolfpack

    • January 26, 2019
    • Investigation Discovery

    Six brothers are confined to a small New York City apartment for 14 years by their father; they watch thousands of movies before one brother decides to break free.

  • S07E27 Rehab Mogul

    • February 9, 2019
    • Investigation Discovery

    The so-called "Rehab Mogul," Christopher Bathum, owns more than 20 alcohol and drug treatment facilities in two states; however, some clients claim Bathum is a drug user and sexual predator who derailed their recovery

  • S07E28 Gypsy Blanchard

    • February 23, 2019
    • Investigation Discovery

    Dee Dee Blanchard takes care of her wheelchair-bound daughter, Gypsy Rose; then, Dee Dee is found murdered, while Gypsy goes missing; as police investigate, they uncover a tangled web of secrets, lies and betrayal.

  • S07E29 NXIVM

    • March 2, 2019
    • Investigation Discovery

    Former NXIVM members allege that leader Keith Raniere operated a secret sorority within the group, one that treated women as slaves and branded them for life.

  • S07E30 What If

    • March 9, 2019
    • Investigation Discovery

    Newly pregnant 21-year-old Kelsie Schelling goes missing while visiting her on-again-off-again boyfriend; her mother's desperate search leads to a disturbing connection with another mother miles away.

  • S07E31 Golden State Killer

    • March 30, 2019
    • Investigation Discovery

    A serial rapist and murderer terrorizes California for more than 10 years.

Season 8

  • S08E01 My Son Is Not a Monster

    • April 6, 2019
    • Investigation Discovery

    An 11-year-old's soon-to-be stepmom is found murdered in their home; a child-sized shotgun, gun residue on his clothes and a witness account all seem to point to the boy as the shooter.

  • S08E02 Nose Job Murder

    • April 13, 2019
    • Investigation Discovery

    When a young lawyer fails to show up for a blind date and is later found shot to death in his apartment, a woman freely admits to pulling the trigger; investigators must uncover whether she was acting in self-defense or if it was cold-blooded murder.

  • S08E03 Manhunt

    • May 4, 2019
    • Investigation Discovery

    Convicted murderers David Sweat and Richard Matt escape from a prison in Dannemora, N.Y.

  • S08E04 What Happened to Abby?

    • June 15, 2019
    • Investigation Discovery

  • S08E05 Mystery in Coronado

    • July 1, 2019
    • Investigation Discovery

    A young boy suffers a fatal fall at his father's home; two days later, the man's girlfriend is found hanging from a rope off a balcony

  • S08E06 The Devil in Disguise

    • July 8, 2019
    • Investigation Discovery

    Shanann Watts and her two young daughters go missing, and husband Chris pleads for their safe return on television; then their bodies are found at the oil site where he works.

  • S08E07 A Shot in the Dark

    • July 15, 2019
    • Investigation Discovery

  • S08E08 Decoding a Murder

    • September 21, 2019
    • Investigation Discovery

  • S08E09 Since the Day I Was Born

    • September 28, 2019
    • Investigation Discovery

  • S08E10 Murder in Aspen

    • October 5, 2019
    • Investigation Discovery

  • S08E11 Gone in the Night

    • November 17, 2019
    • Investigation Discovery

  • S08E12 The Deadly Ride: Part One

    • October 6, 2019
    • Investigation Discovery

  • S08E13 The Deadly Ride: Part Two

    • October 6, 2019
    • Investigation Discovery

  • S08E14 A Deadly Anniversary

    • November 24, 2019
    • Investigation Discovery

    Sandy Melgar is convicted of murdering her husband, Jim, on the day they planned to celebrate 32 years of marriage; a podcaster with a virtual of amateur detectives seek to overturn her conviction

  • S08E15 Your Biggest Fan, Part One

    • December 14, 2019
    • Investigation Discovery

  • S08E16 Your Biggest Fan, Part Two

    • December 14, 2019
    • Investigation Discovery

Season 9

  • S09E01 Shattered Love- Part One

    • March 29, 2020
    • Investigation Discovery

  • S09E02 Shattered Love- Part Two

    • March 29, 2020
    • Investigation Discovery

  • S09E03 The Affair

    • May 18, 2020
    • Investigation Discovery

    A 24-year marriage and then an affair; the wife says she's moving forward, but hidden bank accounts, DNA testing kits, and a gun all point to this woman becoming unhinged; a deadly act of revenge leaves just one person to tell the tale.

  • S09E04 30 Years Searching- Part One

    • June 15, 2020
    • Investigation Discovery

    A college student disappears while out running, and her body is found at the edge of a river; her family and her town are haunted for years thinking her killer is living among them; finally, DNA and help from an unlikely source identify her killer.

  • S09E05 30 Years Searching- Part Two

    • June 15, 2020
    • Investigation Discovery

    A college student disappears while out running, and her body is found at the edge of a river; her family and her town are haunted for years thinking her killer is living among them; finally, DNA and help from an unlikely source identify her killer.

  • S09E06 Sole Survivor- Part One

    • June 29, 2020
    • Investigation Discovery

    For 15 years, Heather Robinson thought she knew her life story; but the arrest of a serial killer 500 miles from home would reveal a dark family secret and turn her life upside down.

  • S09E07 Sole Survivor- Part Two

    • June 29, 2020
    • Investigation Discovery

    For 15 years, Heather Robinson thought she knew her life story; but the arrest of a serial killer 500 miles from home reveals a dark family secret and turns her life upside down.

  • S09E08 With Friends Like These - Part One

    • August 10, 2020
    • Investigation Discovery

    The story of a car left at the side of a bridge, a young woman who vanished and the search for answers; the truth is finally revealed in a shocking story told by one friend to another.

  • S09E09 With Friends Like These - Part Two

    • August 10, 2020
    • Investigation Discovery

    The truth of a young woman's disappearance is revealed in a shocking story told by one friend to another, and it is captured on film.

  • S09E10 The Hustlers

    • August 17, 2020
    • Investigation Discovery

    Some strip club workers take business into their own hands, going as far as conspiring to drug male targets and fleecing them for all they can get.

  • S09E11 Last Seen Walking -- Part One

    • September 14, 2020
    • Investigation Discovery

    Before Leah Freeman's body was found outside of her hometown of Coquille, Ore., in 2000, her gym shoes, one of them bloody, were virtually the only physical clues police had to figure out what had happened to the missing 15-year-old.

  • S09E12 Last Seen Walking -- Part Two

    • September 14, 2020
    • Investigation Discovery

    Before Leah Freeman's body was found outside of her hometown of Coquille, Ore., in 2000, her gym shoes, one of them bloody, were virtually the only physical clues police had to figure out what had happened to the missing 15-year-old.

  • S09E13 Undercover Girlfriend- Part One

    • September 21, 2020
    • Investigation Discovery

    University of Illinois graduate student Yingying Zhang disappears after climbing into a stranger's car; police enlist the suspected killer's girlfriend to wear a wire and record their conversations.

  • S09E14 Undercover Girlfriend- Part Two

    • September 21, 2020
    • Investigation Discovery

    University of Illinois graduate student Yingying Zhang disappears after climbing into a stranger's car; police enlist the suspected killer's girlfriend to wear a wire and record their conversations.

  • S09E15 Switched at Birth, or Stolen?- Part One

    • September 9, 2020
    • Investigation Discovery

    A new interview with Kimberly Mays, 30 years after she discovered she was switched at birth, shedding new light on lingering questions about how the switch occurred and whether or not it was an accident.

  • S09E16 Switched at Birth, or Stolen?- Part Two

    • September 9, 2020
    • Investigation Discovery

    A new interview with Kimberly Mays, 30 years after she discovered she was switched at birth; shedding new light on lingering questions about how the switch occurred and whether or not it was an accident.

  • S09E17 Chameleon -- Part One

    • December 12, 2020
    • Investigation Discovery

    Overview Cutting-edge DNA technology and a mysterious 5-year-old girl provide crucial clues that help authorities solve a murder mystery that unravels across the country for over three decades.

  • S09E18 Chameleon -- Part Two

    • December 12, 2020
    • Investigation Discovery

    Cutting-edge DNA technology and a mysterious 5-year-old girl provide crucial clues that help authorities solve a murder mystery that unravels across the country for over three decades.

  • S09E19 My Mother's Sins: Diane Downs- Part One

    • October 12, 2020
    • Investigation Discovery

    My Mother's Sins: Diane Downs- Part One

  • S09E20 My Mother's Sins: Diane Downs- Part Two

    • October 12, 2020
    • Investigation Discovery

    A mother's infatuation with a married man who said he had no interest in being a father to anyone's children was the possible motive behind the crimes of Diane Downs, who allegedly shot her three young children.

Season 10

  • S10E01 I Am Vanessa -- Part One

    • March 3, 2021

    Vanessa Guillen joined the Army in 2018, and while she was stationed at Fort Hood, she told a family member that she was being harassed by a superior, but she never revealed his name.

  • S10E02 I Am Vanessa - Part Two

    • March 3, 2021

  • S10E03 Growing Up Buttafuoco -- Part One

    • March 10, 2021

    More than 25 years after the phrase "Long Island Lolita" screamed across headlines nationwide, Joey and Mary Jo Buttafuoco reflect on the incident itself and the roller-coaster ride of drugs, alcohol and television reunions that followed.

  • S10E04 Growing Up Buttafuoco - Part Two

    • March 10, 2021

    More than 25 years after the phrase "Long Island Lolita" screamed across headlines nationwide, Joey and Mary Jo Buttafuoco reflect on the incident itself and the roller-coaster ride of drugs, alcohol and television reunions that followed.

  • S10E05 The Last Days of Phil Hartman - Part One

    • March 17, 2021

    Phil Hartman shot to fame on "Saturday Night Live" and had continued success with "The Simpsons" and "News Radio"; off-camera, Phil Hartman's private life was less than perfect.

  • S10E06 The Last Days of Phil Hartman - Part Two

    • March 17, 2021

    Phil Hartman shot to fame on "Saturday Night Live" and had continued success with "The Simpsons" and "News Radio"; off-camera, Phil Hartman's private life was less than perfect.

  • S10E07 CutThroat, Inc. -- Part One

    • March 24, 2021

    Stories about crime victims, their families and the search for truth and justice.

  • S10E08 CutThroat, Inc. -- Part Two

    • March 24, 2021

    Stories about crime victims, their families and the search for truth and justice.

  • S10E09 The Death of a Playmate: The Dorothy Stratten Story - Part One

    • April 28, 2021

    Playboy Playmate of the Year Dorothy catapulted to fame; Paul Snider discovered the teen in Vancouver and married her.

  • S10E10 The Death of a Playmate: The Dorothy Stratten Story - Part Two

    • April 28, 2021

    Playboy Playmate of the Year Dorothy catapulted to fame.

  • S10E11 Catch Me If You Can - Part One

    • September 5, 2021

    It begins with a violent kidnapping and ends in a race to capture a man some called a mastermind, others a monster; the long quest to bring Hossein Nayeri to justice takes many twists and turns.

  • S10E12 Catch Me If You Can - Part Two

    • September 5, 2021

    It begins with a violent kidnapping and ends in a race to capture a man some called a mastermind, others a monster; the long quest to bring Hossein Nayeri to justice takes many twists and turns.

  • S10E13 Five Weddings and a Murder

    • October 23, 2021

    Las Vegas realtor Ron Rudin is found dead in the Nevada desert; as the investigation heats up, his wife, Margaret, who is the prime suspect, goes on the run.

  • S10E14 Five Weddings and a Murder

    • October 23, 2021

    Five Weddings and a Murder

  • S10E15 The Perfect Liar - Part One

    • November 6, 2021

    James Dailey is convicted of the murder of a 14-year-old girl in Florida; he is sentenced to death, but he maintains he is innocent.

  • S10E16 The Perfect Liar - Part Two

    • November 6, 2021

    James Dailey is convicted of the murder of a 14-year-old girl in Florida; he is sentenced to death, but he maintains he is innocent.

  • S10E17 If Something Happens to Me: Part One

    • November 20, 2021

    The disappearance of Susan Powell begins with a mysterious middle-of-the-night camping trip; an investigation reveals a woman who feared for her life and a family filled with secrets.

  • S10E18 If Something Happens to Me: Part Two

    • November 20, 2021

    The disappearance of Susan Powell begins with a mysterious middle-of-the-night camping trip; an investigation reveals a woman who feared for her life and a family filled with secrets.

  • S10E19 Stranger Than Fiction: The Murder of Angie Dodge

    • December 23, 2021

    After Angie Dodge's murder, investigators quickly convict a suspect; her mother Carol eventually grows convinced he is not the real killer, and works tirelessly at her quest to find the real truth behind her daughter's death.

  • S10E20 Stranger Than Fiction: The Murder of Angie Dodge

    • December 23, 2021

    After Angie Dodge's murder, investigators quickly convict a suspect; her mother Carol eventually grows convinced he is not the real killer, and works tirelessly at her quest to find the real truth behind her daughter's death.

  • S10E21 Stranger Than Fiction - Part One

    • December 23, 2021

    After Angie Dodge's murder, investigators quickly convict a suspect; her mother Carol eventually grows convinced he is not the real killer, and works tirelessly at her quest to find the real truth behind her daughter's death.