S2 E4 ∙ Big Blue ∙
Wildlife that live thousands of kilometres from land, featuring footage of baby turtles using debris as life rafts and sperm whales hunting for squid deep beneath the surface.
All episodes for series 2 of Blue Planet
S2 E1 · One Ocean
Marine life around the world, including dolphins, tusk fish to walruses.
S2 E2 · The Deep
Creatures that live in volcanic hot spots on the ocean bed.
S2 E3 · Coral Reefs
Creatures that live on coral reefs, including the super-intelligent groupers.
S2 E4 · Big Blue
Wildlife that live thousands of kilometres from land, including baby turtles.
S2 E5 · Green Seas
Footage of wildlife inhabiting underwater kelp forests, including giant cuttlefish.
