Seeing the world is one of the most amazing animal adaptations. Different types of eyes give animals different types of vision, and in some cases they can be extraordinary. Some of the animals featured in this episode are: hawks, big cat eyes,  grazing animals, great apes, compound eyes, and mantis shrimp. This episode looks at the multiple types of eyes and what purpose each has for animals, insects, fish and crustaceans in order to survive and thrive.