Henry Louis Gates, Jr. helps Wiz Khalifa and Sanaa Lathan uncover ancestors who left the American South and transformed their families' futures.

As Oklahoma voters prepare for the election, Republican candidates for Insurance Commissioner discuss the challenges and opportunities facing the state’s consumers, businesses and insurance industry.

Explore some of the world’s most remarkable wildernesses Wednesday night. A resilient Scots pine reveals centuries of change in Nature: Wildheart, while NOVA uncovers how forests may hold clues to combating climate change and biodiversity loss. Journey to Australia’s remote Kimberley region as seasonal rains transform the landscape, showcasing extraordinary wildlife, ancient cultures and one of Earth’s last great wilderness frontiers. Tune in at 7 PM.

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When Kay Banks announces her engagement, her devoted father faces wedding chaos, mounting costs and the emotional reality that his little girl has grown up.

Spend Sunday evening with compelling mysteries and drama. In Patience, a shocking death inside York Minster sets off a race to uncover the truth. Grantchester investigates a student murder tied to Alphy, while Downton Abbey faces wartime challenges and hidden secrets. The premiere of The Forsytes introduces a family divided by rivalry, and Murder in the Mountains closes the night with another dangerous case in the Alps.

Join OETA for a special premiere screening of the newest episode of Back in Time, OETA’s award-winning documentary series exploring the people, places, and events that shaped Oklahoma history.