Episode 1 - Happily Never After

An illicit love triangle, a wife with a double life, and one big lie lead to murder.

Episode 2 - Catch Us If You Can

When an inmate and corrections officer vanish, authorities question whether it's a kidnapping or a forbidden romance.

Episode 3 - Snatched

When a boy is kidnapped riding a bike, parents, police and a blogger work to bring him home.

Episode 4 - Deadly Vows

When a woman vanishes, police uncover her husband's dark past; the missing woman's own past comes under scrutiny.

Episode 5 - She Was Almost Home

A young woman's mysterious disappearance and the search-and-rescue operation that led police to a barn full of dark secrets.

Episode 6 - Baby Holly Found

After a young couple is murdered, their true identities lead to a shocking twist about their missing baby.

Episode 7 - First Divorced Then Dead

Reporting on a verdict in the case of a beloved law professor's gruesome murder.

Episode 8 - The One That Got Out

When multiple women are murdered in Texas, police hunt for a serial killer – but is he closer than they think?

Episode 9 - Diary of a Killer

The murder of a beloved mom sparks an international manhunt; police uncover clues in an accused killer's diary.

Episode 10 - All American Murder

A former NFL player and his wife are murdered in Texas and the shocking evidence in their son's third murder trial.

Episode 11 - Three Shots in the Dark

A star cyclist is gunned down by a friend’s jealous girlfriend, and the international chase to find the suspect.

Episode 12 - Missing from the Mall

A North Dakota student is abducted after shopping at the mall; inside the hunt to catch a killer before he kills again.

Episode 13 - There Is a Monster in Me

When a woman is found murdered, a written confession gives insight into the mind of her killer.

Episode 14 - Gypsy Rose: The Next Act

Gypsy-Rose Blanchard's story of murder, family, romance, deception and abuse; her first interview after her release from prison.

Episode 15 - The Murderer In The Minivan

An attempted kidnapping leads police to a killer.

Episode 16 - Sealed with a Kill

Conspiracy, escorts, and murder-for-hire. An exclusive inside look at the undercover investigation.

Episode 17 - Love. Honor. Betray.

A U.S. Army Sergeant is murdered; investigators uncover a heartless plot of adultery and greed.

Episode 18 - A Killer Renovation

A mysterious brutal murder and the bizarre home renovation that may have been the motive.

Episode 19 - Killer on Campus

A Florida university campus is on edge when a student disappears. Police say love, lies and obsession led to murder.

Episode 20 - Into the Darkness

A mom who would stop at nothing to find her daughter after she vanished, and the team of investigators who solved the deadly mystery.

Episode 21 - Highway Hunter

When four young women go missing, police hunt for a serial killer roaming the interstate. John Quiñones takes us into the families’ quests for answers.

Episode 22 - Ruby Franke: From Momfluencer to Felon

Ruby Franke, a popular YouTuber, sees her world implode after her emaciated son escapes.

Episode 23 - Am I Next?

When a young couple is found dead, police learn they were involved in an online feud and uncover a deadly catfishing scheme.

Episode 24 - How'd You Rather Die?

A teen girl vanishes after getting into an unknown vehicle. When the truth of her disappearance comes to light, the community is shocked by who is behind the violent plot.

Episode 25 - 'Til Death Do Us Part

After a small-town minister is killed at home, police uncover the dark truth of his marriage.

Episode 26 - The Hungryland Homicide

When a young mom goes missing, police question a pastor, the ex-husband, and even a local ventriloquist. But authorities are left wondering – who would want to harm Tricia Todd?

Episode 27 - Forever 17

When two teen girls never make it home after a night out, police discover their dead bodies in the trunk of a car. Decades pass before detectives zero in on an unlikely suspect.

Episode 28 - The Unkindest Cut

When a beloved celebrity hairstylist is found murdered in his own home, was it a burglary gone wrong – or something more sinister?

Episode 29 - A Deadly Scream

New developments in the case of a 20-year-old nursing student who disappeared from her Tennessee home.

Episode 30 - Follow The Fingerprints

After serving three decades in prison for his wife's 1987 murder, 20/20 documents a man's fight for freedom.

Episode 31 - To Have and to Hoax

A new interview with Keith Papini after his ex-wife Sherri Papini served time in prison for her false kidnapping tale and mail fraud.

Episode 32 - Night Terror

A couple is murdered inside their home, possibly by someone trying to hide a secret double life.

Episode 33 - 'Karen Read: The Perfect Storm'

Karen Read answers questions surrounding the night at issue in her controversial trial.

Episode 34 - Episode 34