The BEST episodes written by Kate Youngdahl

#1 - Kalahari: The Great Thirstland
Nature - Season 22 - Episode 2
Animal life in the Kalahari Desert, where rainy and dry seasons direct the inhabitants, including zebras; wildebeests; elephants; finches; bullfrogs; and flamingos, whose chicks must walk nearly 100 miles when fertile feeding areas dry up. Christopher Plummer narrates.

#2 - Superfish
Nature - Season 26 - Episode 12
Marine biologist-filmmaker Rick Rosenthal documents billfish (marlins, sailfish and swordfish), whose numbers have dwindled over the past 50 years from overfishing. Included: off Mexico's Contoy Island, he finds thousands of sailfish feasting on sardines; and along Australia's Great Barrier Reef, he swims with a "grander" (a marlin over 1000 pounds).

#3 - Kalahari: The Flooded Desert
Nature - Season 22 - Episode 3
Detailing the ecosystem of the Kalahari Desert as the Okavango River overflows, transforming a saltpan in to an oasis. Included: fish eagles in aerial combat for airspace over best fishing areas; the sitatunga antelope with ski-like hoofs. Christopher Plummer narrates.