Television Program Guide

Henry Louis Gates, Jr. helps actors Sigourney Weaver, Justina Machado and Amy Ryan unearth surprising revelations about their family histories, forever altering how they see themselves.

Exposing a neo-Nazi group that has actively recruited inside the U.S. military. An investigation with ProPublica shows the group's terrorist objectives and how it gained strength after the 2017 Charlottesville rally.

For nearly two years in the forested hills of Zimbabwe, wildlife cameraman Kim Wolhuter shadowed a wild cheetah family on foot, to reveal in intimate detail the cubs' remarkable journey to adulthood and their mother's dedication in raising them.

William Cecil, Queen Elizabeth I's spy master, intercepts a conspiracy to assassinate the queen. When he learns that Elizabeth's own cousin, Mary Queen of Scots, is behind the plot, he lays a trap to capture and execute her.