The BEST Episodes of Dateline: Secrets Uncovered

Every episode ever - ranked by fan votes!

Last Updated: May 3, 2021

Network: Oxygen

For more than 25 years, ``Dateline'' has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Deadly House of Cards

#1 - Deadly House of Cards

Season 9 - Episode 22 - Aired Sep 11, 2020

After Johnny Altinger vanished, the trail of clues led investigators to a young director. Detectives worried that the case was a hoax staged by a master storyteller. Turns out, the script was darker than anyone knew.

star 10.00
2 votes
Vanished

#2 - Vanished

Season 3 - Episode 13 - Aired Sep 17, 2018

Young nursing student Michelle Le disappears; something draws her out to her car; as her loved ones launch a very public effort to find Michelle, investigators begin their own methodical search, suspecting she may have been murdered.

star 9.50
2 votes
Secrets in the Mist

#3 - Secrets in the Mist

Season 4 - Episode 10 - Aired Sep 14, 2018

A young mom, married to her high school sweetheart, vanishes; did she leave her family to start a new life or was there another reason for her disappearance; decades later her grown son faces a dark truth at the core of this mystery.

star 9.17
6 votes
Poison

#4 - Poison

Season 4 - Episode 7 - Aired Aug 24, 2018

Larry McNabney has a thriving career and a wife he adores, but then vanishes; at the center of the twisted mystery, three lives tangle together in a love triangle, including one who hides a secret identity.

star 9.00
4 votes
Secrets in the Snow

#5 - Secrets in the Snow

Season 4 - Episode 11 - Aired Sep 21, 2018

She was a dancer who married a dashing photographer; they seemed to have the picture-perfect life -- until the bone-chilling night she disappeared; in a case filled with twists, could the victim help solve her own murder.

star 9.00
3 votes
The Inside Man

#6 - The Inside Man

Season 4 - Episode 15 - Aired Oct 19, 2018

A convict is offered a deal as tempting as it is dangerous; he must go undercover in a psychiatric hospital to get information from a suspected serial killer in order to win his freedom, but there's no guarantee he'll get out alive.

star 9.00
4 votes
Deadly Ambush

#7 - Deadly Ambush

Season 5 - Episode 13 - Aired Nov 30, 2018

A U.S. Air Force captain who is deployed overseas for long stretches of time finds himself caught in the crossfire resulting from a love triangle at home.

star 9.00
4 votes
Secrets of Lake Seminole

#8 - Secrets of Lake Seminole

Season 9 - Episode 39 - Aired Jan 8, 2021

Mike Williams went out duck hunting before dawn and never returned. Authorities declared his death an accidental drowning, but his mother believed Mike had been murdered. After a dramatic secret came to light, police believed she might be right.

star 9.00
3 votes
Suspicion

#9 - Suspicion

Season 4 - Episode 2 - Aired Jul 20, 2018

star 8.80
5 votes
Deadly Conspiracy

#10 - Deadly Conspiracy

Season 4 - Episode 5 - Aired Aug 10, 2018

Jack Jessee was a family man who didn't seem to have an enemy in the world, up until the night he was killed; the case goes cold but a relentless detective is determined to catch Jack's killer.

star 8.80
5 votes
The Night Lynsie Disappeared

#11 - The Night Lynsie Disappeared

Season 4 - Episode 9 - Aired Sep 7, 2018

It was a mystery that stumped investigators for years; a college student disappears after a night out clubbing; her mother thought she was at a sleepover with friends and it takes an eagle-eyed detective to find the truth buried in a pile of lies.

star 8.75
4 votes
Strangers on a Train

#12 - Strangers on a Train

Season 3 - Episode 6 - Aired Jul 28, 2018

She was beautiful, trusting and troubled; the young woman from a prominent family was just turning it around and realizing her promise; then she vanished; when the police seemed unable to find her, her family hatched a plan to solve the mystery.

star 8.60
5 votes
The Knock at the Door

#13 - The Knock at the Door

Season 5 - Episode 9 - Aired Nov 16, 2018

Tara Ord is a beautiful young woman with big dreams, then she vanishes without a trace; it will take years for determined cold case detectives to uncover the long buried clue that blows this case wide open.

star 8.60
5 votes
Against All Odds

#14 - Against All Odds

Season 5 - Episode 11 - Aired Nov 23, 2018

A toddler is shot in the head and left for dead; despite the odds, she stuns everyone with her will to survive, while a detective vows to crack the case, no matter how long it takes.

star 8.60
5 votes
A Villainous Plan

#15 - A Villainous Plan

Season 8 - Episode 24 - Aired Mar 27, 2020

A bank executive tries to rob his own bank; investigators think it's an inside job but eventually learn the crime is connected to a spree carried out by men who managed to keep their identities secret, praying on people who did the opposite.

star 8.56
9 votes
Unraveled

#16 - Unraveled

Season 9 - Episode 17 - Aired Aug 7, 2020

For an agonizing four days, the fear was paralyzing. A city was under siege. Six people had been gunned down, but how were the killings linked? A retired detective connected the dots, initiating the manhunt for a man with a gun and a grudge.

star 8.56
9 votes
Diabolical

#17 - Diabolical

Season 1 - Episode 17 - Aired Nov 10, 2017

A newlywed receives terrifying emails with threats of kidnapping and death; the emails appear to come from an ex-girlfriend, but hiding behind the threats is a cyber-secret.

star 8.50
8 votes
The Confession

#18 - The Confession

Season 4 - Episode 6 - Aired Aug 17, 2018

Soon after Angie Dodge's murder, Christopher Tapp admits he is one of her killers; police capture his confession on videotape, but the victim's mom, who once campaigned to put Tapp in prison, fights for his freedom.

star 8.50
4 votes
Written in Blood

#19 - Written in Blood

Season 4 - Episode 8 - Aired Aug 31, 2018

When Karen Pannell is found stabbed to death, a message scrawled in blood seems like a beacon that could lead detectives to her killer; it takes a dogged forensic specialist with a keen eye to unravel the mystery.

star 8.50
4 votes
The Man Who Talked to Dogs

#20 - The Man Who Talked to Dogs

Season 3 - Episode 10 - Aired Aug 27, 2018

Celebrity dog trainer Mark Stover and his wife Linda build a thriving business and a beautiful home, but their dream life doesn't last; an affair leads to a bitter divorce, then Mark vanishes in a mystery with the makings of a Hollywood thriller.

star 8.50
2 votes
While They Were Sleeping

#21 - While They Were Sleeping

Season 4 - Episode 13 - Aired Oct 5, 2018

It was a brutal and baffling crime: a husband shot dead in his own bed; no one else in the house was hurt, not even his wife, who was sleeping beside him; investigators were suspicious, but there were more surprises in store.

star 8.50
4 votes
The Devil and Bobbi Parker

#22 - The Devil and Bobbi Parker

Season 4 - Episode 14 - Aired Oct 12, 2018

It's a mystery with a mind-boggling twist; the deputy warden's wife claimed she was kidnapped by an escaped convict and held captive for more than a decade; but was she really a hostage or a willing accomplice.

star 8.50
2 votes
Deah Trap

#23 - Deah Trap

Season 8 - Episode 23 - Aired Mar 20, 2020

Pizza deliveryman Brian Wells robs a bank with a bomb strapped around his neck, launching one of the strangest cases ever investigated by the FBI.

star 8.50
6 votes
Everything She Knew

#24 - Everything She Knew

Season 9 - Episode 13 - Aired Jul 10, 2020

Amber Belken was a young woman with big dreams. Then, she was found murdered. Was Amber the victim of a robbery gone wrong or was this brutal crime personal? Three people knew the truth. Two of them would risk their lives to reveal it.

star 8.50
10 votes
Vendetta

#25 - Vendetta

Season 9 - Episode 21 - Aired Sep 4, 2020

Beloved by his colleagues, Mark Hasse was a fearless prosecutor. He worked to put criminals behind bars and making enemies was a hazard of the job. He didn't know it, but a killer was lurking and Mark wasn't the only target

star 8.50
4 votes