Shark Week (1988- )

Since the premiere of his groundbreaking series African American Lives through the first season of Finding Your Roots, noted Harvard scholar Henry Louis Gates, Jr. has been helping people discover long-lost relatives hidden for generations within the branches of their family trees. Professor Gates utilizes a team of genealogists to reconstruct the paper trail left behind by our ancestors and the world's leading geneticists to decode our DNA and help us travel thousands of years into the past to discover the origins of our earliest forebears.

SurrealEstate revolves around real estate agent Nick Roman and an elite team of specialists who handle the cases that no one else can: haunted and possessed houses that literally scare would-be buyers away. Researching, investigating and "fixing" the things that go bump in the night, the team works to create closure — and closings — as they struggle with demons of their own.

Samantha and Jay throw caution to the wind when they convert their recently inherited country estate into a bed-and-breakfast. Call it mislaid plans. Not only is the place falling apart, but it's also inhabited by spirits of previous residents -- whom only Samantha can see and hear. Ghosts spins the funny, heartfelt story about a newfound dream that reveals connection and self-discovery aren't just for the living.

48 Hours is a CBS news magazine that investigates intriguing crime and justice cases that touch on all aspects of the human experience. Over its long run, the show has helped exonerate wrongly convicted people, driven the reopening -- and resolution -- of cold cases, and changed numerous lives. CBS News correspondents offer an in-depth look into each story, with the emphasis on solving the mystery at its heart. The program and its team have earned critical acclaim, including 20 Emmys and three Peabody Awards.

An up-close and personal look at life in Hotlanta, The Real Housewives of Atlanta follows five glamorous southern belles as they balance motherhood, demanding careers and a fast-paced social calendar, and shows what life is like in the most exclusive areas of Atlanta. These driven and ambitious women prove that they're not just "housewives," but entrepreneurs, doting mothers and classy southern women. These ladies show the world what it takes to live large in some of the hottest zip codes in the south.