Henry Louis Gates, Jr. heads west to map the family trees of Sara Haines and Tracy Letts.

The war drags on and moves to new theaters: at sea, in Indian Country, and in the South.

Do speech buttons really allow dogs to talk to us? Scientists investigate.

In this classic episode of Spectrum Hawaii, we visit the islands of Lanaʻi and Molokaʻi.

Henry Louis Gates, Jr. maps the roots of basketball stars Brittney Griner and Chris Paul.

Philadelphia falls, but the American victory at Saratoga allows France to enter the war.

A group of experts work to prove women once fought alongside men in the arena.

New evidence sheds light on the remarkable life – and mysterious collapse – of the ancient jungle city.

Henry Louis Gates, Jr. introduces actor Lizzie Caplan and comedian Hasan Minhaj to ancestors whose brave decisions forever reshaped their families.

Washington abandons New York City and flees across New Jersey, before attacking Trenton.