Investigation Discovery TV Guide — Monday, 13 July 2026

Browse the full Investigation Discovery TV guide for Monday, 13 July 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

00:00 1h

On the Case with Paula Zahn

S12 · E26 · Unthinkable Betrayal True

Unthinkable Betrayal

Police must solve the murder of a young mother who was savagely strangled to death in her bed while her two young sons slept just steps away.

01:00 1h

People Magazine Investigates: Surviving a Serial Killer

S2 · E6 · Surviving the Thrill Killer True

Surviving the Thrill Killer

Amber Carter and her children go into hiding in 2020 to stay safe from her abusive ex-boyfriend. At the same time, a serial killer prowls the Dallas area.

02:00 1h

On the Case with Paula Zahn

S14 · E12 · A Personal Mission True

A Personal Mission

Police struggle to solve the murder of a young woman but it will take years to realize the clue to unlock the mystery is hidden within the crime scene evidence.

03:00 1h

On the Case with Paula Zahn

S12 · E26 · Unthinkable Betrayal True

Unthinkable Betrayal

Police must solve the murder of a young mother who was savagely strangled to death in her bed while her two young sons slept just steps away.

04:00 1h

Bodies in the Water

S1 · E7 · Blood in the River Documentary

Blood in the River

When police find a gold SUV abandoned near the Lewis River, they suspect foul play. Soon after, a kayaker spots a body in the Washougal River.

05:00 1h

The Lies That Bind

S1 · E7 · Ex's and Alibis True

Ex's and Alibis

A Houston police detective is armed with meager crime-scene evidence, but a long list of potential suspects, to uncover one huge lie.

Morning

06:00 1h

The Lies That Bind

S1 · E5 · Before Vegas True

Before Vegas

On August 7, 2000, Casey Tiner and her boyfriend TJ Steele disappear, and people believe they ran away but as time passes and the young couple never reappear.

07:00 1h

Obsession: Dark Desires

S3 · E9 · Final Fantasy Drama

Final Fantasy

A high school girl who is shy finds a person she believes is her true love when a new boy shows up at school as the two have a love for comic and fantasy books.

08:00 1h

Obsession: Dark Desires

S3 · E10 · There's Something About Mary Lynn Drama

There's Something About Mary Lynn

Mary Lynn falls for a divorcee, but she notices that his son is not quite right; she also discovers that his son does not just like her, he wants to be her.

09:00 1h

Obsession: Dark Desires

S4 · E1 · The Salon Stalker Drama

The Salon Stalker

When an Idaho hairdresser cuts a truck driver's hair, she is unaware of the two-year long nightmare that she puts herself in, which comes to a shocking end.

10:00 1h

Obsession: Dark Desires

S4 · E2 · High School Reunion Drama

High School Reunion

A single mother of two believes that she's found her romantic partner when she runs into a former schoolmate, but his charming ways hides his true character.

11:00 1h

Twisted Sisters

S3 · E7 · Cold as Ice True

Cold as Ice

A family's search for new beginnings backfires when their move from Hawaii to Alaska creates an environment perfect for murder.

Daytime

12:00 1h

Twisted Sisters

S3 · E5 · The Old River Road True

The Old River Road

A hit-and-run accident looks suspiciously like a murder after police discover evidence of blunt force trauma and interview two sisters who can't keep a secret.

13:00 1h

Twisted Sisters

S3 · E3 · Smoky Mountain Murder True

Smoky Mountain Murder

A custody battle turns deadly as twin sisters craft a conspiracy to do-in the one person standing in their way as the children bear witness to the plan.

14:00 1h

Fear Thy Roommate

S1 · E1 · Three's a Crowd Other

Three's a Crowd

An argument between 2 college girls escalates into an all-out war, and the presence of a boyfriend sends the feud over into a spiral of hate, ending in a fight.

15:00 1h

Fear Thy Roommate

S1 · E2 · Doom For Rent Other

Doom For Rent

A woman rents out a room to a younger man, but then she invites another to live with them, creating a toxic mix of suspicion, accusations, rage, and murder.

16:00 1h

Fear Thy Roommate

S1 · E8 · Not in My House Other

Not in My House

A mother and daughter rent out two rooms of their house to old family friends, but alliances start to shift and tempers flare, until it comes to a bloody end.

17:00 1h

Fatal Vows

S7 · E13 · Opposites Can Kill Documentary

Opposites Can Kill

A young single mom wants a good life for herself and her son, and that life soon includes wannabe rap star, who has ambitions of his own.

Evening

18:00 1h

Fatal Vows

S7 · E1 · Murder Behind the Gates Documentary

Murder Behind the Gates

A power couple stick it out despite disapproval, and as they amass a fortune, they soon learn that their money can't buy love and happiness, only death.

19:00 1h

Fatal Vows

S7 · E2 · Honkytonk Killer Documentary

Honkytonk Killer

Although a couple seem perfect for each other, looks can be deceiving and after a tragic accident reveals a life of lies and deceit, one of them dies.

20:00 1h

Fatal Vows

S7 · E6 · No Harmony in Polyamory Documentary

No Harmony in Polyamory

When an open-minded foursome soon discovers that there is no harmony in polyamory, someone must pay the ultimate price for free love.

21:00 1h

48 Hours on ID

S22 · E14 · The Mother I Wish I Knew True

The Mother I Wish I Knew

After 37 years, prosecutors feel they have enough evidence to bring the main suspect in the murder of a young Oregon mother to trial.

22:00 1h

Deadly Influence: The Social Media Murders

S2 · E7 · Death Is in Your Stars Documentary

Death Is in Your Stars

Online astrologer, healer, and witch Danielle is a rising mystic influencer. When critics emerge and a man falls for her charm, their magic takes a darker turn.

23:00 1h

Lethally Blonde

S2 · E7 · Burlesque and Blood Drama

Burlesque and Blood

When the torso of a murdered French Quarter dancer washes up on a Mississippi beach, a community is driven to panic and detectives must catch her killer.

Early Morning

Morning

Daytime

Evening

Related channels