The Crab and the Urchin (S01E03)

S01E01 The Undersea Storm S01E03 The Crab and the Urchin S01E04 The Walrus Chief S01E05 The Flying Fish S01E06 The Giant Squid S01E07 The Orcas S01E08 The Great Algae Escape S01E09 The Remipedes S01E10 The Speedy Sailfish S01E11 The Blobfish Brothers S01E12 The Monster Map S01E13 The Lost Sea Star S01E14 The Albino Humpback Whale S01E15 The Giant Kelp Forest S01E16 The Enemy Anemones S01E17 The Narwhal S01E18 The Midnight Zone S01E19 The Snapping Shrimp S01E20 The Snot Sea Cucumber S01E21 The Giant Whirlpool S01E22 The Hermit Crabs S01E23 The Mixed-Up Whales S01E24 The Kelp Forest Rescue S01E25 The Decorator Crab S01E26 The Beluga Whales S01E27 The Hungry Pilot Fish S01E28 The Vampire Squid S01E29 The Seahorse Tale S01E30 The Giant Jelly S01E31 The Cookiecutter Sharks S01E32 The Oarfish S01E33 The Combtooth Blenny S01E34 The Jellyfish Bloom S01E35 The Baby Dolphin S01E36 The Scary Spookfish S01E37 The Arctic Orcas S01E38 The Slime Eels S01E39 The Enormous Elephant Seal S01E40 The Sardine School S01E41 The Dolphin Reef Rescue S01E42 The Eel Ordeal S01E43 The Marine Iguanas S01E44 The Dwarf Lantern Shark S01E45 The Pirate Parrotfish S01E46 The Electric Torpedo Rays S01E47 The Crafty Cuttlefish S01E48 The Lost Lemon Shark S01E49 The Humuhumunukunukuapua'a S01E50 The Giant Spider Crab