Secret Dealers - Season 4

20/20 continues to combine hard-hitting investigative reports, newsmaker interviews and compelling human interest and feature stories.

Set in 1991 Miami, Dexter: Original Sin follows Dexter as he transitions from student to avenging serial killer. When his bloodthirsty urges can't be ignored any longer, Dexter must learn to channel his inner darkness. With the guidance of his father, Harry, he adopts a Code designed to help him find and kill people who deserve to be eliminated from society without getting on law enforcements' radar. This is a particular challenge for young Dexter as he begins a forensics internship at the Miami Metro Police Department.

Bravo sets sail on the newest iteration of the highly rated and acclaimed original franchise with Below Deck Sailing Yacht. Trading in the motor yacht famed on Below Deck, this series is set on a luxury sailing yacht with a new crew and equally demanding charter guests looking to follow the wind as they cruise along the crystal-clear blue waters of Corfu, Greece.

Based on the iconic Leaphorn & Chee book series by Tony Hillerman, Dark Winds is a psychological thriller that follows two Navajo police officers in the 1970s Southwest, as their search for clues in a grisly double murder case forces them to challenge their own spiritual beliefs and come to terms with the trauma of their pasts.

Animal Control is a workplace comedy following a group of Animal Control workers whose lives are complicated by the fact that animals are simple, but humans are not.