Browse the full Investigation Discovery TV guide for today. 25 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
Unmasking a Monster: Aileen Wuornos
S1 · E3 · The World Will Learn DocumentaryThe World Will LearnWhen Aileen Wuornos stands trial, she decides to take the stand herself. Her story shocks everyone as she claims that the killing was actually in self-defense. -
01:00 1h
Unmasking a Monster: Aileen Wuornos
S1 · E1 · Face to Face With the Monster DocumentaryFace to Face With the MonsterIn 1990, someone was stalking men on Florida's highways. Clues lead detectives to a shocking realization: the serial killer is a woman. -
02:00 1h
Unmasking a Monster: Aileen Wuornos
S1 · E2 · I'm a Good Girl DocumentaryI'm a Good GirlWorking with her ex-girlfriend, detectives set a trap for Aileen Wuornos. When she steps willingly into the interrogation room, her story shocks them. -
03:00 1h
Unmasking a Monster: Aileen Wuornos
S1 · E3 · The World Will Learn DocumentaryThe World Will LearnWhen Aileen Wuornos stands trial, she decides to take the stand herself. Her story shocks everyone as she claims that the killing was actually in self-defense. -
04:00 30m
Signs of a Psychopath
S6 · E12 · The Biggest Adrenaline Rush OtherThe Biggest Adrenaline RushWhen detectives find an elderly woman dead after someone stuffs her in her own closet, they know they are not dealing with a normal killer. -
04:30 30m
Signs of a Psychopath
S6 · E13 · That's What You Do With a Knife OtherThat's What You Do With a KnifeWhen officers arrive at a suburban home regarding a felonious assault, they find a bloodied and lifeless woman in her minivan. -
05:00 1h
Obsession: Dark Desires
S3 · E1 · Garden of Evil DramaGarden of EvilA landscaper with a strong desire towards one of his female clients begins to stalk her, and as she continues to refuse his advances, he becomes aggressive.
Morning
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06:00 1h
Obsession: Dark Desires
S3 · E2 · Exposed DramaExposedA female moves into a home, but notices her privacy is invaded by a man who films her through the window causing her to consider a violent showdown. -
07:00 1h
Obsession: Dark Desires
S3 · E9 · Final Fantasy DramaFinal FantasyA 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 DramaThere's Something About Mary LynnMary 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
Married with Secrets
S1 · E4 · A Darker Shade of Blue DocumentaryA Darker Shade of BlueThe case of an officer's death in Fox Lake, Ill., takes a shocking turn when sordid information of the deceased officer's private life is revealed. -
10:00 1h
Married with Secrets
S1 · E2 · Cold Blue Blood DocumentaryCold Blue BloodA beloved doctor shocks the upper class community of Wellesley, Mass., when an X-rated secret life gets out of hand and results in a brutal murder. -
11:00 1h
Married with Secrets
S1 · E6 · Fatal Fixation DocumentaryFatal FixationDespite being in active marriages, two people meet and have an instant bond, but things take a deadly turn when the man tries to end things for his wife.
Daytime
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12:00 1h
Married with Secrets
S1 · E7 · Obsession Has its Price DocumentaryObsession Has its PriceA professor at Tufts University School of Medicine in Boston meets a prostitute in a red-light district, but an obsession ultimately leads to a vicious murder. -
13:00 1h
Married with Secrets
S1 · E5 · Fear the Ether Man DocumentaryFear the Ether ManA serial rapist lurks in Albuquerque, N.M., but while the masked attacker extends his hunting grounds, police work to stop him before he commits another attack. -
14:00 1h
Married with Secrets
S1 · E8 · The Mastermind DocumentaryThe MastermindDetectives search for a thief who has stolen expensive yachts, but they later encounter a calm man who has been connected to more than just stealing a boat. -
15:00 1h
Fear Thy Neighbor
S9 · E15 · Renovation Rage TrueRenovation RageA family moves one house over and when they start renovations, the noise and waste ignite a vicious feud between neighbors, ending in bullets and bloodshed. -
16:00 1h
Fear Thy Neighbor
S9 · E13 · Get Off My Property TrueGet Off My PropertyWhen a large & boisterous family moves in on a quiet street, neighbors immediately conflict with them over all the noise but soon the dispute consumes everyone. -
17:00 1h
Fear Thy Neighbor
S9 · E6 · Bones of Contention TrueBones of ContentionTwo unlucky neighbors bond over their struggles, but when one buries the other in debt with a hustle gone wrong, things fall apart badly.
Tonight's Highlights
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18:00 1h
Fear Thy Neighbor
S9 · E10 · Better Get to Running True ▶ NowBetter Get to RunningA young couple moves to the country and ruins a quiet neighborhood, but loud parties and a junk-strewn lawn push the Vietnam veteran next door to build a fence. -
19:00 1h
Fear Thy Neighbor
S9 · E9 · Hillbilly Holler TrueHillbilly HollerNeighbors welcome a bachelor into a neighborhood with longstanding property lines, but things go south when he starts disputing the boundaries. -
20:00 1h
Fear Thy Neighbor
S9 · E14 · Cold Blood Country TrueCold Blood CountryWhen a single man buys a home in a rural community, he becomes fast friends with his neighbor until a minor parking issue sets them at odds. -
21:00 1h
Fatal Vows
S7 · E5 · Some Like it Dead DocumentarySome Like it DeadWhen a woman marries a man, everyone is happy, until her spending veers out of control, that tears the couple apart. -
22:00 1h
48 Hours on ID
What the Neighbors Saw TrueWhat the Neighbors SawA man's unexplained disappearance raises troubling questions after neighbors witness unusual activity nearby. Peter Van Sant reports. -
23:00 1h
Married to Evil
S3 · E4 · Too Good To Be True DocumentaryToo Good To Be TrueDonna Andersen almost has it all: a nice house, a good job, and a loving family. But something's missing until James Montgomery enters her life.