Steve encounters the most striking shark of all - the thresher shark. With a tail as long as its body, it's a shark with a fantastic physique. Steve dives with two of these stunning sharks off the coast of the Philippines, before hitting the Shark Lab to explain how the thresher uses its tail as a secret weapon to stun its prey.

Steve meets one of the ocean's greatest sharks. The oceanic whitetip is an adventurer of the abyss. Steve and his crew track down this nautical nomad in the Pacific Ocean off the coast of Hawaii. In the empty ocean, they are constantly on the move searching for food, relying on some vital features - their fins. Back in Steve's Shark Lab, he reveals how the shark uses its different fins for perfect power and sensitive steering.

Steve looks at a shark with superpowers. The epaulette shark is a small shark that lives in shallow, tidal waters and it is able to survive out of water for a long period of time, Steve heads into his Shark Lab to show just how they manage it.