Tuesday, April 7, 2020, 8:00-10:00 p.m.

Patients with rare genetic diseases and their doctors search for cures, often in a race against time.

Wednesday, April 8, 2020, 8:00-9:00 p.m.

Despite their remarkable ability to reproduce, many wild rabbits are in danger of being eradicated.

Wednesday, April 8, 2020, 9:00-10:00 p.m.

The mysteries of fat and its role in hormone production, hunger and even pregnancy are explored.

Thursday, April 9, 2020, 9:00-11:00 p.m.

President Theodore Roosevelt leads a Progressive crusade that splits his own Republican party.

Friday, April 10, 2020, 8:30-9:00 p.m.

Titus Kaphar is an artist who seeks to dislodge history from its status as the "past" in order to unearth its contemporary relevance.

Friday, April 10, 2020, 9:00-10:00 p.m.

Vivian visits the Mississippi Delta and farther south to learn that not all dumplings are the same.

Friday, April 10, 2020, 10:00-11:00 p.m.

Rick Bayless marvels over Julia Child's knife skills and the great training technique she provided./Martha Stewart weighs in on how influential Julia was in changing how viewers thought about cooling.

Saturday, April 11, 2020, 8:00-10:00 p.m.

An electrical malfunction mistakenly sends American planes to deliver a nuclear attack on Moscow.

Sunday, April 12, 2020, 7:00-8:00 p.m.

Celia and Alan are enjoying their new life together, but Gillian and Caroline are having problems.

Sunday, April 12, 2020, 8:00-9:00 p.m.

Lucille delivers a baby in an elevator and Nurse Crane gives vaccines to new students.