Browse the full Investigation Discovery TV guide for Thursday, 8 October 2026. 24 programmes listed , including 6 tonight. US listings updated daily — scroll down to tonight's highlights or use the day tabs above to browse the weekly schedule.
Early Morning
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00:00 1h
A Body in the Basement
S2 · E3 · Keep Me Safe DocumentaryKeep Me SafeWhen a hair stylist goes missing, his friends and family are concerned, but it's not until police unlock his cell phone that they find clues to his whereabouts. -
01:00 1h
The Serial Killer Connection
S1 · E1 · Till Death Do Us Part DocumentaryTill Death Do Us PartFollowing the ex-wife and the survivor of a serial killer, who unite in their determination to uncover the untold life and crimes of Richard 'Marc' Evonitz. -
02:00 1h
A Body in the Basement
S3 · E1 · Collecting Trophies DocumentaryCollecting TrophiesFeaturing stories of murder that hit close to home, each is a real-life tale about the last thing anyone wants to find in their basement, a dead body. -
03:00 1h
A Body in the Basement
S2 · E3 · Keep Me Safe DocumentaryKeep Me SafeWhen a hair stylist goes missing, his friends and family are concerned, but it's not until police unlock his cell phone that they find clues to his whereabouts. -
04:00 1h
American Monster
S11 · E6 · The Power Couple TrueThe Power CoupleAndreen has always had her sights set on success and thinks she's found her ideal partner when she meets Andre, but the more successful Andreen gets. -
05:00 1h
Grave Secrets
S2 · E1 · Beneath the Stairs TrueBeneath the StairsWhen curious new homeowners find a barrel in a crawlspace, they're horrified to discover a body inside with a note that says, "I told the truth."
Morning
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06:00 1h
Grave Secrets
S2 · E6 · Proof of Life TrueProof of LifeA woman reports her father, Dwight Tobyne, missing after eight months, and none of his family members seem eager to talk, especially his wife. -
07:00 1h
Grave Secrets
S2 · E5 · First Comes Love TrueFirst Comes LoveWhen a man named Cody Johnson disappears only days after his wedding, his wife reports that she received an email claiming that he died in a hiking accident. -
08:00 1h
American Nightmare
S1 · E3 · Paradise Lost TrueParadise LostAn intruder slips silently into the home of newlyweds married couple Michael and Susan "Missy" MacIvor in August 1991, the community of Key Largo, Fla. -
09:00 1h
American Nightmare
S1 · E4 · Watch Your Back TrueWatch Your BackWhen Danielle Jennings is found strangled to death in her apartment, detectives believe that she knew her attacker and a witness comes forward with a clue. -
10:00 1h
American Nightmare
S1 · E6 · The Answering Machine TrueThe Answering MachineWhen a charitable, up-and-coming actress is savagely murdered in her home, police believe that an angry, revenge-hungry killer is responsible. -
11:00 1h
Fatal Vows
S5 · E12 · Drowning in Tears DocumentaryDrowning in TearsA couple appears to be meant for each other, but while their future look promising, the man's former wife soon comes to play and leads to a murder.
Daytime
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12:00 1h
Fatal Vows
S5 · E9 · Deadly Obsession DocumentaryDeadly ObsessionA couple's relationship has lasted for several decades, but dark secrets from the bedroom and a dangerous obsession leads to their relationship's downfall. -
13:00 1h
Fatal Vows
S5 · E6 · Murder in the Marina DocumentaryMurder in the MarinaAfter a retired pilot meets a younger woman, they set up a calm life on a boat, but when a sudden change in fortune occurs, their relationship deteriorates. -
14:00 1h
Fatal Vows
S5 · E8 · Reduced to Ash DocumentaryReduced to AshAfter 35 years of being together, a couple's once loving relationship slowly deteriorates as the lifelong partners pursue a number of very private adventures. -
15:00 1h
People Magazine Investigates
S3 · E3 · Gone in 90 Seconds TrueGone in 90 SecondsWhen an 11-year-old Arizona girl vanishes while waiting for an ice cream truck, the desperate search for her abductor leads to a trail of suspects. -
16:00 1h
People Magazine Investigates
S3 · E10 · The Unicorn Killer TrueThe Unicorn KillerWhen a Philadelphia woman goes missing, the police uncover the horrific truth about the woman's whereabouts but capturing the killer proves even more difficult. -
17:00 1h
People Magazine Investigates
S3 · E2 · Terror in Philadelphia TrueTerror in PhiladelphiaWhen a gifted Philadelphia graduate student is found murdered in her bed in 1998, the police turn the city upside down in order to catch her killer.
Evening
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18:00 1h
People Magazine Investigates
S3 · E5 · Mystery in the Swamp TrueMystery in the SwampWhen Michael Williams left his home in Tallahassee, Fla., to go duck hunting on December 16, 2000, he failed to return home and an all-out search commences. -
19:00 1h
People Magazine Investigates
S3 · E1 · Somebody's Watching TrueSomebody's WatchingWhen a fire chief's wife is found in the rubble of their fire destroyed house, her death was ruled as a homicide from a gunshot to the head and not the fire. -
20:00 1h
People Magazine Investigates
S3 · E4 · Gone Girls TrueGone GirlsWhen three women over three decades meet their death or go missing under mysterious circumstances, authorities attempt to find a connection between them. -
21:00 1h
People Magazine Investigates
S9 · E12 · The Final Cut TrueThe Final CutCelebrity hairstylist Fabio Sementilli's teenage daughter discovers him brutally murdered on their Los Angeles patio. The LAPD uncovers a shocking story. -
22:00 1h
Mean Girl Murders
S3 · E4 · Little Miss Murder DocumentaryLittle Miss MurderA deserted, bloody vehicle has detectives thinking murder and the investigation brings them into the world of Florida pageantry and an unlikely suspect. -
23:00 2h
Hollywood Demons
S2 · E4 · Doctor Feelgoods EntertainmentDoctor FeelgoodsA celebrity overdose makes headlines but revered professionals behind the scenes often go unnoticed. Doctors are under the microscope for celebrity deaths.