Investigation Discovery TV Guide — Monday, 29 June 2026

Browse the full Investigation Discovery TV guide for Monday, 29 June 2026. 21 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

00:00 1h

On the Case with Paula Zahn

S12 · E16 · Lost Life, Evidence Found True

Lost Life, Evidence Found

Puzzling clues & odd witness accounts create huge challenges for investigators trying to solve a young girl's murder and lost evidence may identify her killer.

01:00 1h

People Magazine Investigates: Surviving a Serial Killer

S2 · E4 · Surviving the Devil in Chicago True

Surviving the Devil in Chicago

John Wayne Gacy is infamous for his Chicago house of horrors in the 1970s, but several courageous boys who come face-to-face with the serial killer.

02:00 1h

On the Case with Paula Zahn

S14 · E10 · Moving Target True

Moving Target

Someone ambushes and kills a husband near his new office. A surveillance camera captures the targeted attack. Each clue investigators find leads to the next.

03:00 1h

On the Case with Paula Zahn

S12 · E16 · Lost Life, Evidence Found True

Lost Life, Evidence Found

Puzzling clues & odd witness accounts create huge challenges for investigators trying to solve a young girl's murder and lost evidence may identify her killer.

04:00 1h

Bodies in the Water

S1 · E5 · Lady in the Lake Documentary

Lady in the Lake

In 1985, police found a blood-soaked sports car on a rural road and launched a search for a missing 20-year-old beloved by her town.

05:00 1h

Before They Kill Again

S1 · E3 · He's Taken a Hostage Documentary

He's Taken a Hostage

A negotiator gets called into a hostage situation and he discovers he has never dealt with anything like this before and he uncovers multiple murders.

Morning

06:00 4h

Before They Kill Again

S1 · E6 · $3 Million or She Dies Documentary

$3 Million or She Dies

When a grandmother vanishes in the dead of winter and a ransom note is sent, a shocked detective discovers that he knows the kidnapper personally.

10:00 1h

The Real Murders on Elm Street

S2 · E1 · Someone's Watching Her Documentary

Someone's Watching Her

When 20-year-old Cindy Sumner vanishes in Toledo, Ohio, a cryptic message lures detectives to Elm Street and they uncover signs of a twisted obsession.

11:00 1h

The Real Murders on Elm Street

S2 · E3 · Mommy's Dead Documentary

Mommy's Dead

A killer stalks families across state lines leaving horror behind, and after a 3-year-old whispers "Mommy's dead," police uncover a massacre on Elm Street.

Daytime

12:00 1h

The Real Murders on Elm Street

S2 · E4 · Laced with White Powder Documentary

Laced with White Powder

Three friends arrive for a haircut only to find their barber dead and his body covered with a mysterious white powder and one clue stands out.

13:00 1h

48 Hours on ID

S19 · E24 · Lori Vallow Daybell: Guilty True

Lori Vallow Daybell: Guilty

Jonathan Vigliotti reports on an Idaho jury finds Lori Vallow Daybell guilty of murdering her 2 children and conspiring in the murder of her husband's ex-wife.

14:00 1h

48 Hours on ID

S19 · E28 · The Night of the Idaho Student Murders True

The Night of the Idaho Student Murders

Correspondent Peter Van Sant interviews the families of the four University of Idaho students murdered in a single night in November 2022.

15:00 1h

People Magazine Investigates

S2 · E11 · Alaskan Temptress True

Alaskan Temptress

When a devoted Washington mother named Mechele Linehan gets arrested for a murder that occurred 10 years ago in Alaska, details of a despicable past emerge.

16:00 1h

People Magazine Investigates

S2 · E3 · Shallow Grave True

Shallow Grave

When a young family vanishes from their southern California home, leaving their friends and family confused, authorities suspect that they fled the country.

17:00 1h

People Magazine Investigates

S2 · E4 · Death Before Dawn Documentary

Death Before Dawn

When a multi-millionaire couple get murdered in their home in Orange County, Calif., police must bring justice to their five children, who are now orphans.

Evening

18:00 1h

People Magazine Investigates

S2 · E6 · Murder at Sea True

Murder at Sea

In the small fishing town of Craig, Alaska, a premiere fishing boat bursts into flames just offshore, leaving the remains of a young family and several clues.

19:00 1h

People Magazine Investigates

S2 · E10 · My Father, The Serial Killer True

My Father, The Serial Killer

When a young couple disappears and is discovered in a field in 1980, it takes nearly 40 years for a woman to come forward with information about the case.

20:00 1h

People Magazine Investigates

S2 · E4 · Connecticut Horror Story True

Connecticut Horror Story

The four-member Petit family gets woken up by two strangers inside their quiet, peaceful Cheshire, Conn., home one summer night in 2007.

21:00 1h

The Curious Case of...

S2 · E8 · The Corpse Who Came to Dinner True

The Corpse Who Came to Dinner

In rural Pennsylvania, an elderly widow's extreme fear of being buried underground leads her to make an unthinkable decision.

22:00 1h

Deadly Influence: The Social Media Murders

S2 · E5 · Devil in Disguise Documentary

Devil in Disguise

April shines positivity, growing her TikTok. After a tragic incident, April's mom gets on TikTok and uncovers secrets that shock everyone watching.

23:00 1h

Lethally Blonde

S2 · E5 · Bad Medicine Drama

Bad Medicine

A former football star aspires to be a famous rap artist. However, when he turns to adult film work to help make ends meet, it sets him on a deadly path.

Early Morning

Morning

Daytime

Evening

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