Episodes

S29 Ep12
Salmon: Running the Gauntlet
Salmon: Running the Gauntlet
Passport
The parallel stories of collapsing Pacific salmon populations and how biologists and engineers have become instruments in audacious experiments to replicate every stage of the fish's life cycle. Our once great runs of salmon are now conceived in laboratories, raised in tanks, driven in trucks, and farmed in pens. Here we go beyond the ongoing debate over how to save an endangered species.
Premiered April 30, 2011
S29 Ep7
Birds of the Gods
Birds of the Gods
Passport
Living in the depths of the New Guinean rainforest are birds of unimaginable color and beauty. To find these birds in New Guinea is not easy, and to witness their extraordinary mating displays is even tougher. David Attenborough introduces a young team of New Guinean scientists on a grueling expedition to find and film these Birds of Paradise; the holy grail of wildlife filmmakers
Encored August 21, 2013
Premiered January 22, 2011