20/20 Season 31, Episode 40: MISSING forever: What REALLY happened to Etan Patz?

Witness

A family slaughtered in their home, with only one witness left behind.

The Con Artist Bride

Men allegedly scammed by so-called "Military Mistress" speak out.

Portrait of a President

Episode 4

John Stossel's Politically Incorrect Guide to Politics

Episode 6

Episode 7

Episode 8

Episode 9

Episode 10

Episode 11

Episode 12

Episode 13

Drama High: The Making of a High School Musical

Episode 15

Episode 16

Episode 17

Vanished: Missing in Milwaukee

Episode 19

Episode 20

Live To Tell: Who Lives? Who Dies?

Episode 22

Episode 23

Episode 24

A Hidden America: Children of the Mountains

Episode 26

Episode 27

Episode 28

Bailouts and Bull

Episode 30

Episode 31

Episode 32

If I Only Has A Gun

Inside the World of Somali Pirates

Black Widow

Shocking Crime Shatters Family-Son Responsible for Masterminding Plot to Murder Family

You Can't Even Talk About It

Vanished: Gone in 90 Seconds

Episode 39

The Secret Nightlife of Teens

Episode 42

The New Normal

Homeless Beauty Queen

Blair Griffith's family was evicted after she was crowned Miss Colorado USA.

Cybercrime: We Find Them

For a growing number of people, cyber acts have led to life-altering damage.

The Military Mistress

A woman accused of conning nine military servicemen discusses her actions.

Finding 'The Help'

Interviews with the cast of 'The Help' and an emotional reunion.

Episode 48

Over a Barrel: The Truth About Oil

Out Of Control Spenders Turn to Money Detox

Medical Mysteries

Blown Away/Twisted Terror

Episode 53

Episode 54

Episode 55