Most wildlife documentaries focus on animal behavior, but Inside Nature's Giants goes inside the largest animals on the planet to explore their anatomy, reveal their intricate inner workings and uncover their evolutionary secrets. In this episode, veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg fly to New Zealand to join a team of experts dissecting a rare specimen of giant squid and a bizarre octopus that inhabits the ocean's...

A filmmaker investigates his traumatic encounter with a 30-ton humpback whale that breached and almost landed on him while he was kayaking. What he discovers raises far bigger questions about humans' relationship with whales and their future.

"Most wildlife documentaries focus on animal behavior, but Inside Nature's Giants goes inside the largest animals on the planet to explore their anatomy, reveal their intricate inner workings and uncover their evolutionary secrets. In this episode, veterinary scientist Mark Evans and comparative anatomist Joy Reidenberg battle through the night against a rising tide to explore the mysteries of the largest predator on Earth--the Sperm Whale. Despite...