Investigation Discovery TV Guide — Tuesday, 21 July 2026

Browse the full Investigation Discovery TV guide for Tuesday, 21 July 2026. 27 programmes listed , including 7 tonight. UK listings updated daily — scroll down to tonight's highlights or use the day tabs above to browse the weekly schedule.

Early Morning

00:00 1h

Police 911: Michigan

S1 · E5 · No Excuse

Detectives investigate a shooting victim with a history of domestic complaints.

Detectives investigate a shooting victim with a history of domestic complaints. As the victim fights for his life, the shooter claims self-defence.

01:00 1h

Police 911: Michigan

S1 · E6 · The Girl on the Scooter

A stray bullet kills a 15-year-old, but witnesses refuse to talk

A stray bullet kills 15-year-old La'Kyijah Williams, outraging Chief Eric Winstrom. CCTV shows a masked gunman, but witnesses refuse to talk

02:00 1h

Murder Comes to Town

S5 · E4 · Hellfire in the Hollow

The disappearance of a 21-year-old mother

A case in which a 21-year-old mother failed to return from night classes, before her car was found burned out. Investigators immediately suspected foul play, but no one was prepared for the web of lies that unravelled following her disappearance

03:00 1h

Murder Comes to Town

S5 · E9 · No Witnesses

The hunt for two missing women

A case in which two young women failed to return home from the local drive-thru. As their parents began a search for them, a fisherman gave police their first clue

04:00 1h

Evil Online

S5 · E10 · Swipe Right for Murder

The case of Ashley Pegram

When teenager Ashley Pegram went missing after meeting a man through a dating app, the race to find her focused on her internet admirer. Detectives soon discovered she was caught up in a nightmarish trap set by an online predator with murder on his mind

05:00 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

Morning

06:00 30m

Teleshopping

Home shopping

Buying goods from the comfort of home

06:30 30m

Teleshopping

Home shopping

Buying goods from the comfort of home

07:00 30m

Teleshopping

Home shopping

Buying goods from the comfort of home

07:30 30m

Teleshopping

Home shopping

Buying goods from the comfort of home

08:00 1h

Murder Comes to Town

S5 · E4 · Hellfire in the Hollow

The disappearance of a 21-year-old mother

09:00 1h

Murder Comes to Town

S5 · E9 · No Witnesses

The hunt for two missing women

A case in which two young women failed to return home from the local drive-thru. As their parents began a search for them, a fisherman gave police their first clue

10:00 1h

Murder Comes to Town

S5 · E1 · The Sinner and the Saint

The murder of teacher Margaret Jack Sliger

The case of retired teacher Margaret Jack Sliger, shot dead in her farmyard in Mooresburg in May 2015. Kyle Robert Wolfe, a 15-year-old boy, later pleaded guilty to the crime

11:00 1h

Murder Comes to Town

S5 · E6 · End of Watch

The murder of the sheriff of Cleveland, Oklahoma

The fatal shooting of the sheriff of Cleveland, Oklahoma. Law enforcement determined to find justice for their fellow officer

Daytime

12:00 1h

Evil Online

S5 · E10 · Swipe Right for Murder

The case of Ashley Pegram

13:00 1h

American Monster

S10 · E3 · I Love My Wife

Ann Metz's husband Marshall despises Ann giving her time to anyone but him

Ann Metz lives for her family. Her husband Marshall despises Ann giving her time to anyone but him, and he will do anything to keep hold of her

14:00 1h

American Monster

S10 · E1 · I Saw Dad Kill Mom

Five-year-old Audrey witnesses her mother, Diane, brutally stabbed to death.

Five-year-old Audrey witnesses her mother, Diane, brutally stabbed to death. To Audrey's horror, her mother's murderer is somebody very close to home.

15:00 1h

Forbidden: Dying for Love

S2 · E2 · Sex and the Married Man

A man's illicit affair with his 14-year-old babysitter

A case in which a man embarked on a relationship with his 14-year-old babysitter. When his wife found out, he would stop at nothing to keep his affair secret from the police

16:00 1h

Forbidden: Dying for Love

S2 · E3 · Married with Secrets

A man's dark past that led to a double murder

The case of a husband whose dark past reared its ugly head and ended in a double murder

17:00 1h

Forbidden: Dying for Love

S2 · E4 · Lone Star Lust

An affair with a bloody showdown in Texas

A case in which a woman entered into an affair with her daughter's grandfather, causing a major rift in the family and eventually leading to a bloody Texas showdown

Tonight's Highlights

18:00 1h

Forbidden: Dying for Love

S2 · E6 · Laws of Attraction

How an attorney's infatuation with a client proved fatal

A case that began when a high-flying attorney and one of his clients began an illicit affair. His infatuation led to obsession and when their adulterous relationship was revealed, the laws of attraction proved fatal

19:00 1h

Betrayed

S4 · E9 · One Way Ticket Out

The murder of Donna Bocklet

How, after lifelong Long Islander Donna Bocklet announced she was moving to Florida, it sent a shock wave through her friends and family that ended in the discovery of her body in the back of her minivan in a supermarket parking lot

20:00 1h

Betrayed

S4 · E10 · The Body in the Cornfield

A case in which the body of a maternity nurse was found in a cornfield

When the body of a maternity nurse was found in an Indiana cornfield, investigators soon found themselves circling the victim's two ex-husbands and daughter

21:00 30m

Signs of a Psychopath

S5 · E18 · That Anger Would Rise Again

Authorities struggle to solve three murder cases for 30 years

After authorities struggle to solve three murder cases for 30 years, they arrest a local man who shockingly confesses, revealing a lethal psychopath

21:30 30m

Signs of a Psychopath

S5 · E19 · Guess I'm a Bad Dad

Police discover dead bodies inside a psychopath's apartment

When police discover dead bodies inside a psychopath's apartment, they struggle to make sense of the bloody scene and the killer's motive

22:00 1h

Evil Lives Here

S10 · E14 · I Still Hear Their Screams

A jilted lover exacts the cruellest revenge

After Felisha marries Wesley, she discovers he is selfish and unkind. When she finally leaves him, he exacts the cruellest revenge

23:00 1h

On the Case with Paula Zahn

S13 · E2 · Faith and Duty

A dying mans last rites ends with a priest's shocking murder

When Father Rivera is called in the middle of the night to perform the last rites for a dying man, the night ends with the priest's shocking murder

Early Morning

Morning

Daytime

Tonight's Highlights

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