A massive school of salmon undertakes a treacherous 300-million-strong migration to their Alaskan birthplace, navigating through a perilous landscape of predators, including sharks, eagles, and bears.
Aired: Jul 15, 2004A colossal school of sardines converges on the African coastline, drawing in ...
Aired: Jul 22, 2004A dramatic showdown erupts between a flock of flamingos and a troop of baboon...
Aired: Jul 29, 2004The wildebeest migration in the Serengeti begins, a treacherous and perilous ...
Aired: Aug 5, 2004A massive school of salmon undertakes a treacherous 300-million-strong migrat...
Aired: Aug 12, 2004A colony of Adelie penguins in Antarctica is pushed to the brink of extinctio...
Aired: Aug 19, 2004A colony of Mexican free-tailed bats embarks on a perilous journey, navigatin...
Main Cast
