Cuttlefish survive by being able to blend into their surroundings through camouflage. Richard Hammond puts this to the test and experiments if the fish are able to camouflage in a tank set up like a living room.
Diver Gary Grayson has an unforgettable experience with a couple Atlantic Grey Seals while diving in the Isles of Scilly off the coast of Great Britain.
Snorkellers in Little Barrier, New Zealand got a surprise visit from a pod of Orcas that were circling the island hunting for stingrays in the shallow waters.