Genre: Science, Nature, Anthology
Premise: This long-running, award-winning documentary series focuses on science, its many applications, speculation, history and researchers. Inspired by the BBC documentary program ``Horizons, '' the U.S. series frequently features interviews with scientists directly involved in the topic at hand, and sometimes even boasts footage of a particular discovery.
S43, E17 (First Aired: Oct. 12, 2016)
Engineers and designers build Crossrail, a new subterranean railway beneath the streets of London.
S42, E14 (First Aired: Sep. 23, 2015)
Clues found on the ocean floor may clarify what happened to British explorer John Franklin and the 128 men who set off in two Royal Navy ships to chart the Northwest Passage in 1845, never to be heard from again.