#1 ∙ S2.E2 ∙ Birds of PreyFri, Mar 18, 2022Curved talons, hooked beaks, killer eyesight: these aerial assassins have the most sophisticated tools for hunting prey at their disposal.8.3/10 (130)Rate
#2 ∙ S1.E4 ∙ OctopusWed, Nov 10, 2021In changing seas and oceans, cephalopods like the cuttlefish and the giant Pacific octopus must rely on their remarkable intelligence to survive.8.2/10 (186)Rate
#3 ∙ S2.E3 ∙ BearsFri, Mar 18, 2022To rule some of the planet's most hostile lands, bears can't lean solely on brute force: it takes both brains and brawn to reach the top.8.1/10 (113)Rate
#4 ∙ S1.E1 ∙ Big CatsWed, Nov 10, 2021Majestic, powerful and deadly, big cats were once thought to be solitary creatures. But we're now realizing just how collaborative they can be.8.0/10 (200)Rate
#5 ∙ S2.E1 ∙ ApesFri, Mar 18, 2022Smart, sensitive and family-oriented, our wild ape relatives rely on each other to learn - and redefine - the secrets of survival.8.0/10 (128)Rate
#6 ∙ S2.E4 ∙ DolphinsFri, Mar 18, 2022Dolphins use their intelligence to form complex undersea societies, come up with resourceful hunting techniques - and indulge in their dark side.7.9/10 (106)Rate
#7 ∙ S1.E2 ∙ DogsWed, Nov 10, 2021Be it foxes on city streets or wolves on the tundra, canines rely on sharp senses, athleticism and fierce determination to punch above their weight.7.7/10 (177)Rate
#8 ∙ S1.E3 ∙ MarsupialsWed, Nov 10, 2021It's not all about the pouches. These mammalian misfits are full of surprises, from flamboyant kangaroo showdowns to rattling koala mating calls.7.7/10 (157)Rate