See how the quest to multiply has spawned a stunning array of unusual behaviors and adaptations. View forest penguins with a tenuous marriage and the secret rendezvous of great white sharks, and hear the tale of male pregnancy.
Episode Duration: 56 minutes and 46 seconds
Episode Number: 104
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Plunge into the Pacific with researchers and cinematographers and see the ocean's rare and dazzling creatures in a way never before seen on television.
Filmed in cinematic 4K, the program examines an ocean that covers a third of the Earth's surface.
WENH-TV Ch. 11 Durham
WLED-TV Ch. 48 Littleton
WEKW-TV Ch. 18 Keene
W50DP-D Ch. 50 Hanover
W34DQ-D Ch. 34 Pittsburg