Tuesday at 7:00 p.m.

Henry Louis Gates, Jr. reveals the inspiring ancestors of novelist Amy Tan & poet Rita Dove.

Tuesday at 8:00 p.m.

Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.

Tuesday at 10:00 p.m.

The story of the first 14 African American legislators to serve in TN's General Assembly.

Tuesday at 10:30 p.m.

A documentary about how the right to vote has evolved in the U.S., with a focus on Tennessee.

Wednesday at 7:00 p.m.

David Attenborough presents seven of the most remarkable animal songs found in nature.

Wednesday at 8:00 p.m.

Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.

Wednesday at 9:00 p.m.

Stories of people setting a new standard for aquatic wildlife protection, from the reefs of Indonesia to an Idaho beaver dam.