Investigation Discovery TV Guide — Tuesday, 21 July 2026

Browse the full Investigation Discovery TV guide for Tuesday, 21 July 2026. 23 programmes listed , including 5 tonight. US 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

Lethally Blonde

S1 · E4 · The Porn Identity Drama

The Porn Identity

Young, Midwesterner, Timothy Boham, decides to try nude modeling, which quickly turns down a road of partying, drugs and appearing in adult films.

01:00 1h

A Killer Among Friends

S2 · E1 · Secret Life of a Private Eye Documentary

Secret Life of a Private Eye

When a woman disappears in Florida, her friends uncover a hidden life filled with new relationships and secrets. Investigators follow the trail.

02:00 1h

Lethally Blonde

S2 · E8 · To Live and Die in Hotlanta Drama

To Live and Die in Hotlanta

In 2016, someone riddled 19-year-old escort and rap video dancer Bridget Shiel with bullets, leaving her naked in an Atlanta park.

03:00 1h

Lethally Blonde

S1 · E4 · The Porn Identity Drama

The Porn Identity

Young, Midwesterner, Timothy Boham, decides to try nude modeling, which quickly turns down a road of partying, drugs and appearing in adult films.

04:00 1h

Fear Thy Neighbor

S7 · E1 · I'm Not Moving True

I'm Not Moving

A man returns from out of state to find that his neighbor has taken over his property to run a chop shop, resulting in a feud that engulfs 2 families.

05:00 1h

Who the (Bleep) Did I Marry?

S7 · E28 · Never Let You Go Documentary

Never Let You Go

Law enforcement student Amanda Sigers falls in love and marries med student Sayantan Sy Ghose, but she discovers that Sy has a dark and dangerous side.

Morning

06:00 1h

Who the (Bleep) Did I Marry?

S7 · E7 · The Child Bride Documentary

The Child Bride

Rock 'n' Roll star Jerry Lee Lewis manipulates 13-year-old Myra Brown into marrying him when he comes to live at her Memphis home to record at Sun Records.

07:00 1h

The 1980s: The Deadliest Decade

S2 · E8 · The Cotton Club Murder True

The Cotton Club Murder

When the body of a vaudeville producer is found riddled with bullets in a canyon, police wonder if a drug cartel or a movie deal gone wrong is to blame.

08:00 1h

The 1980s: The Deadliest Decade

S2 · E2 · The Libertyville Horror Documentary

The Libertyville Horror

When one of a town's wealthiest couples is shot dead in their bed, investigators question whether this was a robbery, or if they were harboring dark secrets.

09:00 1h

The 1980s: The Deadliest Decade

S2 · E3 · Friday the 13th Documentary

Friday the 13th

When a young teacher is killed with an axe, questions about if the killer was recreating a horror film emerge, but the truth is more disturbing than fiction.

10:00 1h

People Magazine Investigates

S4 · E12 · Motor City Murder True

Motor City Murder

A senseless murder shocks the African-American neighborhood of the North End of Detroit in the 1970's, but it takes 47 years for the truth to finally emerge.

11:00 1h

People Magazine Investigates

S4 · E2 · Vanished True

Vanished

A web of lies is uncovered when a family investigates what happened to entrepreneur, Chris Smith, who disappeared during his travels around the world in 2010.

Daytime

12:00 1h

People Magazine Investigates

S4 · E1 · The Springfield Three True

The Springfield Three

On June 6, 1992, Suzie Streeter and Stacy McCall are celebrating high school graduation, but by morning, the teens are missing, leading to a nationwide search.

13:00 1h

Fatal Vows

S5 · E3 · Blood and Sand Documentary

Blood and Sand

A couple's attractive appearances and success give the impression that they have it all, but their seemingly dream life quickly becomes a waking nightmare.

14:00 1h

Fatal Vows

S5 · E1 · Second Chance at Death Documentary

Second Chance at Death

As he mourns the death of his wife, a man falls in loves with a coworker and the relationship starts out great until he learns about a sordid affair.

15:00 1h

Fatal Vows

S5 · E2 · Love In Flames Documentary

Love In Flames

A man from the country meets his ideal woman and envisions a perfect life together, but after many family tragedies occur, their dreams soon come to a halt.

16:00 1h

Fatal Vows

S5 · E7 · Hell on Earth Documentary

Hell on Earth

The son of a minister and a pastor's daughter enjoy an amicable life together, but their seemingly heavenly relationship turns into hell after troubling times.

17:00 1h

Deadly Women

S14 · E5 · Killer Intellect Documentary

Killer Intellect

Three women devoid of a moral compass believe they can outsmart everyone, and for a while, they do.

Evening

18:00 1h

Deadly Women

S14 · E4 · Evil Spirits Documentary

Evil Spirits

When one deals with the devil, somebody's going to get burned.

19:00 1h

Deadly Women

S14 · E10 · Ice Cold Documentary

Ice Cold

Killing comes easily to those with hearts of ice.

20:00 1h

Deadly Women

S4 · E4 · Dangerous Liaisons Documentary

Dangerous Liaisons

Former FBI agent Candice DeLong uses her criminal profiling expertise to explore the minds of couples who band together with the sole intent of killing.

21:00 1h

People Magazine Investigates

S8 · E2 · The Soccer Mom Murder True

The Soccer Mom Murder

In 2001, a mother of five is found shot in the head in her own minivan and Investigators have little physical evidence as they struggle to make an arrest.

22:00 2h

People Magazine Investigates: The Cult of the Soulful Journey

Documentary Special

A health & wellness group based out of Minnesota promises meditation, healing, and spirits from another dimension. But ex-members say it's a manipulative cult.

Early Morning

Morning

Daytime

Evening

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