11/20 @ 8:00 p.m. - Celebrate the work of beloved broadcaster David Letterman, the 20th recipient for American Humor.
11/19 @ 9:00 p.m. - Elizabeth turns tables on George; Demelza and Armitage reveal their feelings; Poldark makes a vow.
11/19 @ 8:00 p.m. - Dr. Petrides has his hands full. Louisa, Leslie, and Spiro come to the rescue.
Beyond A Year in Space: The special introduces viewers to the next generation of astronauts training to leave Earth’s orbit and travel into deep space.