DAVID ATTENBOROUGH'S CONQUEST OF THE SKIES
Smithsonian, 8:00 p.m. ET
CONCLUSION: This is Part 3 of 3 of British naturalist David Attenborough’s latest nature documentary series, a study of flying creatures that covers everything from pterodactyls to dragonflies. Tonight’s final episode is called “Triumph of the Skies,” and is about the most dominant creatures occupying the air. Spoiler Alert: Expect some good footage, and insight, on eagles.