The BEST episodes written by Larry Klein
#1 - Origins (3): Where Are The Aliens?
NOVA - Season 31 - Episode 13
NOVA explores the search for extraterrestrial life. The program describes the Search for Extraterrestrial Intelligence (SETI), a program that scans star systems for radio transmissions from advanced extraterrestrial civilizations and introduces the Drake equation, created by SETI founder Frank Drake, which attempts to quantify the probability of intelligent life in the Milky Way galaxy.

#2 - Spies That Fly
NOVA - Season 30 - Episode 1
The air war in Afghanistan showed that sometimes the hottest pilots are sitting on the ground operating the remote controls of UAVs—or unmanned aerial vehicles. In newly declassified footage, "Spies That Fly" reveals the astounding capabilities of UAVs and the ambitious plans for future models.
