The BEST episodes of Dateline: Secrets Uncovered season 4

#1 - Secrets in the Mist

Season 4 - Episode 10 - Aired 9/14/2018

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.

#2 - The Night Lynsie Disappeared

Season 4 - Episode 9 - Aired 9/7/2018

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.

#3 - The Inside Man

Season 4 - Episode 15 - Aired 10/19/2018

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.

#4 - Secrets in the Snow

Season 4 - Episode 11 - Aired 9/21/2018

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.

#5 - Deadly Conspiracy

Season 4 - Episode 5 - Aired 8/10/2018

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.

#6 - While They Were Sleeping

Season 4 - Episode 13 - Aired 10/5/2018

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.

#7 - The Devil and Bobbi Parker

Season 4 - Episode 14 - Aired 10/12/2018

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.

#8 - Family Affair

Season 4 - Episode 16 - Aired 10/26/2018

When the wealthy heir to a legendary hotel is murdered, the list of possible suspects is long; he had his share of enemies, and a complicated family; investigators soon learned someone close to the victim was also in danger.

#9 - The Night Hannah Hill Disappeared

Season 4 - Episode 12 - Aired 9/28/2018

A former homecoming queen taking her first steps into adult life is brutally murdered; the investigation centers on two men and a mysterious black bag that seems to come out of nowhere.

#10 - Poison

Season 4 - Episode 7 - Aired 8/24/2018

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.

#11 - The Confession

Season 4 - Episode 6 - Aired 8/17/2018

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.

#12 - The Plot Thickens

Season 4 - Episode 17 - Aired 11/2/2018

It's a true Hollywood whodunit; a show business stuntman is shot four times and left to die; investigators uncover a love story gone wrong and a villain with a dark secret; the most stunning twist of all is what didn't happen.

#13 - Who Killed the Radio Star

Season 4 - Episode 4 - Aired 8/3/2018

#14 - Written in Blood

Season 4 - Episode 8 - Aired 8/31/2018

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.

#15 - Suspicion

Season 4 - Episode 2 - Aired 7/20/2018

#16 - Buried Secrets

Season 4 - Episode 3 - Aired 7/27/2018

#17 - Silent Witness

Season 4 - Episode 1 - Aired 7/13/2018